Top 6 Best Nulaxy Bluetooth Fm Transmitter For Car

Car FM Transmitter Experience superior sound quality and seamless connectivity with our Bluetooth FM Transmitter for Car. Effortlessly connecting to your car's FM radio, the Bluetooth car adapter enables wireless music streaming from your device via Bluetooth. It's the perfect solution to integrate Bluetooth for cars without Bluetooth.. Hands-Free Car Kit - Make and receive calls effortlessly while driving with the Scosche Handsfree Bluetooth Car Kit. This Bluetooth car adapter makes it possible to connect your smartphone to your car stereo through the Bluetooth transmitter, allowing you to keep your hands on the wheel and eyes on the road.. 12V Cigarette Lighter Adapter - Plugs directly into your car's 12V cigarette lighter socket for unlimited transmitting and listening hours. This FM Bluetooth Transmitter car adapter doubles as a cigarette lighter charger and features dual USB-A and USB-C 12W charging ports, allowing you to charge multiple devices on the go.. Voice Command - Equipped with easy-to-use controls for volume updown, playpause, answerhang up the phone, our Scosche FM Bluetooth transmitter car is a must-have in Bluetooth car accessories. This versatile accessory supports Siri and Google Voice commands, enhancing your car audio receiver and providing a safer, hands-free driving experience.. Universal Compatibility - Seamlessly works with all iPhone, iPod, Galaxy, MP3 Players, Smartphones, USB-A, USB-C, and other mobile devices with a 3.5mm port or Bluetooth. Whether you want to listen to your favorite music or make hands-free calls, our Bluetooth FM transmitter car does it all. Plus, it comes with a 3-year Limited Warranty for your peace of mind..

66W Fast Charge Adapter with USB-C Coiled Cable - This FM transmitter car adapter is equipped with two PD 3.0 and QC3.0 fast charge ports, including the 1.8m6ft built-in coiled USB-C cable. With a combined power output of up to 66W, it can charge three devices at the same time and is compatible with iPhone, Samsung, Xiaomi, Google, and more devices.. Latest Bluetooth 5.3 Chip - Equipped with the advanced Bluetooth 5.3, this car FM transmitter ensures a quicker, more reliable, and more secure connection. There is no need to repeat pairing after the first connection is complete successfully.. Stronger Dual Mics, CVC Noise Reduction Calling - Featuring a superior dual-mic system, this transmitter incorporates CVC noise suppression and echo-canceling tech, allowing for clearer call quality. Manage calls effortlessly with options to answer, end, or reject, all while enjoying a hands-free experience.. Bass Boosted Hi-Fi Stereo Music - Activate the deep bass feature with a single press of the b button and experience not just boosted bass, but also authentic Hi-Fi sound that captures the essence of your music, offering an immersive auditory journey.. LED Ambient Light Swith - The light can be turned off by long pressing the ''b'' button according to your needs. The vibrant LED display not only adds flair to your drive but also makes the transmitter easy to locate in the dark.. Wider Range Compatibility - Fit most of the smartphones and more devices that are equipped with Bluetooth functions. Such as iPad, iPhone 15 14 13 12 11 Pro Max Mini, iPod, Samsung Galaxy S23 S22 S21 S10 Note 20, Sony, MP3 player, Huawei, tablet, and Android Smartphones. And all vehicle types including cars, vans, and trucks 12-24V..

BLUETOOTH CAR KIT Make hands-free calls from your bluetooth enabled smartphone. FM TRANSMITTER ADAPTER With the remote control wirelessly stream music from the adapter to your vehicle's FM stereo. FAST CHARGING The dual 2.1Amp USB ports on the 12V car charger quickly charges your device Maintains volume and voice control. DIGITAL LED DISPLAY Displays the exact frequency the transmitter is tuned to for convenient syncing. COMPATIBLE WITH MOBILE DEVICES The transmitter can be used with Apple and Andriod devices with a 3.5 mm port Comes with 3 year warranty.

48W Max Fast ChargingSYNCWIRE Bluetooth car FM Transmitter support charging two kinds of devices simultaneously - Type-C PD 30W port and QC 3. 0 port. The maximum total power can reach 48W, so the charger efficiency is 80 more than a normal charger. Synwire can provide you with a high-speed and convenient charging experience.. Advanced Bluetooth 5.3 FM TransmitterBuilt-in latest Bluetooth 5.3 technology, SYNCWIRE Bluetooth car adapter provides a more stable connection for streaming music over FM frequency and making hands-free calls, allowing for faster pairing with compatible devices, supporting smart voice navigation from your phone, streaming the audio from navigation APPSiriGoogle Assistant to your car.. Hi-Fi Deep Bass Colorful BacklitExclusive bass key-press juicing up the stereo effect makes this device stand out, which offers you crystal-clear sound while you are enjoying the long ride with your beloved ones. Besides, the surrounding colorful LED backlit pulsing with the rhythm. You can also long-press the b button to turn off the colorful light.. CVC Noise Suppression Hands-free CallsThe built-in Noise Suppression CVC design can reduce external environmental noise well to provide crystal clear hands-free calls. All in one button answerrejecthand uprecall enable you seamlessly switch between incoming calls and music.. Wide CompatibilityThis car FM Bluetooth Transmitter can be used with any Bluetooth device such as iPhone, iPad, iPod, Samsung Galaxy, Sony, MP3 player, tablet, and more Android smartphones. And it fits 12V-24V cars and trucks..

Rainbow Light with Easy ControlImmerse yourself in the driving experience with our stylish bluetooth car adapter featuring a captivating rainbow light feature. Simply long-tap the b switch to turn off the light when not needed, and enjoy the enchanting glow of customizable rainbow hues for the perfect driving ambiance.. Dual Mics for Noise SuppressionSyncwire bluetooth transmitter boasts an advanced dual-microphone system that captures your voice from all angles. Coupled with the latest CVC 8.0 noise reduction technology, it effectively eliminates road noise, wind disturbances, and other distractions. This ensures crystal-clear communication, allowing both you and the other party to enjoy clear and uninterrupted conversations.. Safe Efficient Charging up to 54WThe Syncwire FM transmitter Bluetooth features a PD 36W and QC3.0 18W USB charging port, delivering 4X faster charging than others and supporting simultaneous charging for two devices. Our intelligent safety features guarantee protection against overcharging, voltage spikes, overheating, and short circuits, ensuring efficient and secure charging for your devices. Stay connected on the go with Syncwire's advanced charging technology.. Upgraded Bluetooth 5.4 TechnologyThe latest Bluetooth 5.4 technology, optimizing the transmission delay and connection defect problems, Bluetooth 5.4 will bring you a faster, more stable and smarter connection with less sound quality loss,uninterrupted calls and music experience. It takes only 1 second to complete pairing, and no need to repeat pairing after the first successful pairing with your device.. Enhanced HiFi Deep Bass Experience powerful deep bass and immersive stereo music sound with the simple press the b button. Activate the deep bass feature to enjoy a dynamic and pleasing high-fidelity sound quality that takes your passion for music to a new level. Elevate your audio experience with the richness of powerful HiFi deep bass at your fingertips.. Exclusive Lifetime Warranty ServiceIf our car radio bluetooth arrives doesnt fit your car or doesnt work, feel free to contact us to find a satisfying solution. We provide 36 Months warranty and lifetime support..

VERSATILE CONNECTIVITY With FM Radio Mode FM, you can stream Bluetooth audio to your mobile device through an FM radio connection to your car's stereo. Our Bluetooth transmitter TX Mode allows you to transmit audio from TVs, PCs, or in-flight entertainment to your Bluetooth headphones, earbuds, or speakers through a 3.5mm cable. Plus, our Bluetooth Receiver RX Mode sends audio to your car, home, or wired headphones using a 3.5mm auxiliary input. WIRELESS RECHARGEABILITY Conveniently eliminate the need for cords and batteries with the USB-C charging cable and built-in, rechargeable battery. This Bluetooth transmitter for tv, stereo receiver and headphone jack adapter is perfect for travel, allowing you to enjoy wireless freedom. The Built-in 300Mah battery offers up to 7 hours of audio playing time.. CRYSTAL CLEAR SOUND Featuring low latency technology, the Bluetooth audio adapter has minimal delay and offers exceptional sound quality free of interference and lag. Enjoy your music, podcasts, and other audio with deep clarity and no interruptions.. ULTIMATE COMPATIBILITY Supports a range of devices including Laptops, Smartphones, Tablets, PC, iPhone and Android Models, as well as TV and home stereos so you can easily enjoy wireless audio streaming. Making It a great fit for the home, office, car, airplane and more. Please Note Does not support hands free calling.. INCLUDE IN PACKAGE 1 Wireless Audio Transmitter Reciever, 1 1 ft. USB-C to USB-C Charging Cable, 1 1 ft. 3.5 mm Audio Cable and 1 User Manual. Backed By Scosche's Limited Lifetime Warranty and Tech Support..

Indulge in a delightful driving experience with our trendy rainbow light design. Immerse yourself in fun while having the convenience of easily turning off the light by double pressing the red B button when not needed. Enjoy the captivating ambiance of the rainbow lights and have full control over your driving atmosphere.. . The latest Bluetooth 5.3 technology, optimizing the transmission delay and connection defect problems, Bluetooth 5.3 will bring you a faster, more stable and smarter connection with less sound quality loss, uninterrupted calls, and music experience. It takes only 1 second to complete pairing, and no need to repeat pairing after the first successful pairing with your device.. Coming with 2 USB portsPD 36W and USB A 12W, can charge two devices simultaneously. Built-in over-current protection, over-voltage protection, intelligent temperature control, and short-circuit protection, will effectively ensure safe charging.. Bluetooth 5.3 provides a stable connection, while Noise Suppression CVC technology and echo-cancellation grants an amazing hands-free calling experience. In addition, this Bluetooth car adapter supports Bluetooth connection and USB stick connection 64GB.. -   Just press the button B and you will enjoy powerful deep bass and immersive stereo sound. The high-fidelity Hi-Fi sound quality will also make the music more dynamic and pleasing to the ear, taking your passion for music to a new level.. If our cigarette lighter charger arrives doesnt fit your car or doesnt work, feel free to contact us to find a satisfying solution. We provide 36 Months warranty and lifetime support..

Best Car Accessory You Deserve Simply plug this Bluetooth car adapter into the auxiliary power outlet, find an unoccupied radio station, and you're ready to stream music from your phone to FM radio in your auto. Enjoy hands-free calling, play back MP3 audio, and charge up to 4 devices simultaneously. 4-Port 54W Fast Car Charger Four charging ports keep all your devices powered on the go. It features two QC3.0 18W USB-A ports with 5V3A, 9V2A, 12V1.5A outputs two 36W USB-C ports offering PD charging at 5V3A, 9V3A, 12V3A, and PPS fast charging at 3.3V-11V3A. It's the fast pro charging solution your devices need. Superior Sound Quality This Bluetooth 5.3 receiver and FM transmitter ensures clear HiFi music sound for your driving pleasure. Its CVC noise reductioncancellation, and DSP A2DP technology bring you a seamless and immersive audio experience. It's the ultimate wireless converter between your iPhone and vehicle. Your Music, Your Way With USB flash drive MP3 player, you can store your favorite songs in a USB-disk and play them in your car. It supports MP3, WAV, APE, and FLAC formats up to 64GB, and delivers a powerful bass effect for an enhanced audio experience. Safe and Convenient Drive safely with hands-free call feature via built-in microphone. Simply press knob to answer, reject an incoming call or call back, keeping your hands on the wheel and your focus on the road. Universal Compatibility Our Bluetooth car adapter FM transmitter is suitable for car, truck, SUV, or any old automobile with cigar lighter socket and FM radio. It supports 12V or 24V battery voltage, has a voltage detection display and provides an undervoltage warning for added safety. Sleek and Sturdy With its compact, robust, and aesthetic design, this device leaves zero footprint in your cab. It's vibration-proof and features a colorful ambient lighting ring, adding a touch of style to your vehicle's interior.

Big Color Screen Air Vent ClipOur new car bluetooth adapter adopts a big color screen for more information and better visual experience. Now you can read more information such as incoming phone numbers, car battery voltage, FM frequency, track name, etc. In addition, the air vent installation offer you better view angle for your safety.. Dual USB Ports QC3.0The dual USB charging port enables you to charge 2 devices at the same time. One of them is a QC3.0 fast-charging port, which can charge your device up to 4 times faster than the standard charge. You can charge 80 of your phone battery just in 35 minutes, saving you much more time than average. Besides that, other ports such as TF card slot, AUX port offer you multiple choices so you can choose to play music via USB drive TF card AUX line Bluetooth.. Thoroughly Hands-free with SiriGoogleTransfer all your phone call and audio streaming into wireless through the FM bluetooth transmitter car. You can easily answer hang up reject redial a phone call with the spin button. Enjoy the smart voice control and play with SiriGoogle assistant. Try to say Call Mom, Get directions home, Play some music, get things done more conveniently and enjoy safe driving.. Improved Audio PerformanceThe big microphone of bluetooth transmitter car is able to collect voice effectively, and the CVCDSP noise cancellation technology can avoid traffic background noise for clearer conversation. Whats more, the BASSTRE booster button provides 2 modes for you to adjust, just get immersed into your customized music style.. 8 Colorful LED Backlit ModesLong press the light button on the fm transmitter bluetooth for car to enter the light change mode, and then spin the knob to adjust to the light mode you want. There are 7 mono color modes plus 1 color-changing mode, choose any mode you like to decorate your space, let it color your car.

1.44 Inch LCD Display Nulaxy KM18 Bluetooth FM transmitter has a 1.44 inch screen for better displaying information like phone calls, FM channels, music, car battery voltage, etc. The ideal screen size to assist you in driving safe without disturbance.. Flexible GooseneckBluetooth V5.0 The rotatable Gooseneck of the wireless radio adapter can provide you with an adjustable viewing angle and optimal viewing comfort of LCD display screen. With the Bluetooth V5.0 technology, the car bluetooth adapter can provide a more stable and faster connecting without intermittent disconnection.. Noise CancellationHi-Fi Sound Quality Nulaxy noise-cancellation technology dampens the road noise and gives you clear, crisp sound for hands free calls. High Quality Music Streaming ensures crystal clear sound for listening music and hands-free calls.. Hands-free Calls All in one button for hands-free calls answerrejecthand uprecall make you seamlessly switch between incoming calls and music. Enjoy complete voice-control and safer driving with this Bluetooth transmitter.. Wide Compatibility The fm transmitter bluetooth for car is compatible with most devices on the market, such as iPad, iPhone, iPod, HTC, Galaxy, Sony, MP3 player, tablet and Android Smartphones. You can play your favorite songs on your car stereo via Bluetooth, TF Card and Aux Cable. And it fits 12V-24V cars and trucks..

Quick Charge 3.0 Possibly the latest, fastest and most efficient USB charging technology in the world. Up to 4X faster than standard chargers, it is able to charge compatible devices to 80 within 35 minutes.. Crystal Clear Music Streaming You can stream music on your car stereo via Bluetooth USB Flash Drive 32GB microSD Card 32GB. Advanced noise reduction technology will ensure quality, crystal clear sound. Note WMA MP3 WAV APE FLAC music formats in USB flash drive or microSD card are supported.. Enjoy Hands-free Calls Nulaxy technology provides a stable connection and echo-cancellation can reduce background noises for better hands-free calls, so you can answer phone calls with a press of the button.. 7 Color LED Backlit Version Supporting 7 colors led backlit light, including Red Green Blue Yellowish Green Purple Cyan, this Bluetooth fm transmitter will give you a visually stunning display of colors, which is a nice way to match the colors already in the car.. Safety Functions Safety first. NX10 is equipped with a voltmeter to show you the condition of your car battery. Voltage should be between 13. 2V to 14. 7V when your car is on and moving. 12. 2V to 12. 8V when your car is parked and ignition is off. IC26752-NX10. HVINNX10. How to connect the Bluetooth FM transmitter 1. Tune your car's FM to a blank channel A channel without any broadcast between 88.1 and 107.9 MHz. 2. Plug NX10 into your car's cigarette lighter. It will turn on automatically and display your battery level. When the Bluetooth icon flashes, turn the knob to set the FM transmitter's frequency to the same channel. 3. Bluetooth Connection Enable your device's Bluetooth. Search NX10 and connect it, or play music directly from a U disk..

Car Bluetooth FM Transmitter Nulaxy KM30 bluetooth car adapter provides multi-solutions for your hands-free driving and in-car stereo streaming. It features a big display screen offering a wider visual interface for more information, such as incoming phone number, track name, FM frequency, battery voltage, Bluetooth connected device and more.. Stronger Microphone for Better Hands-free Calls KM30 utilizes stronger microphone, greatly amplify sound reception and strengthen sound quality, bringing a higher level of experience.. Treble Bass Music Streaming You can stream music directly from your car radio via Bluetooth microSD card Aux out, and enjoy free switching between treble and bass mode, the color spectrum auto-syncs with your music.. QC3.0 Fast Charging It Comes with a QC3.0 charging port to deliver high-speed charging to driver and passenger, the charging time is 4 times faster than conventional charging.. Bring Voice Service in Your Car You can stay fully focused on the road by using Siri or Voice Assistant to make phone calls, send texts or get driving directions. Nulaxy KM30 brings voice service in your car..

More Comfortable Vision Sensory 1.8 Inch TFT color FM transmitter display screen offers a wider visual interface Combine the gooseneck that can rotate 360 degrees for the comfortable and freestThe Nulaxy KM29 car bluetooth transmitter is equipped with a voltmeter to show the condition of your car battery by large color screen.. Fast And Intelligent Charging Input 12-24 V, output 2 USB ports QC3.0 5V2.4A , Bluetooth car charger can intelligently identify android or iPhone devices. Smart car charger QC 3.0 USB charges up to 4x speed of the conventional car charger. Built-in over-current, over-voltage, intelligent temperature control, and short circuit protection.. Broad Compatibility The bluetooth fm transmitter for car is compatible with most devices , such as iPad, iPhone, iPod, HTC, Galaxy, Sony, MP3 player, tablet and Android Smartphones. You can play your favorite songs on your car stereo via Bluetooth, TF CardAux out and USB Drive. And it fits 12V-24V cars and trucks.. High Clear Sound and Call Quality KM29 bluetooth car radio transmitter adopts advanced interference and noise cancellation technology - CVC technology to create stereo sound and suppress noise and wind Nulaxy car bluetooth adapter has built-in microphone which support hands-free calling, reduce call interference.. Easy operation Large keys are easy to operate. Easy to install and use, enjoy great and clear music in just three simple steps Nulaxy car bluetooth adapter supports hands-free and private calls, just one click to answer. The connection is stable and not easy to disconnect..

Smart QC3.0 The charging speed of QC3.0 is up to 4X faster than standard chargers and can charge compatible devices to 80 in just 35 minutes. And 2 devices can be charged at the same time with the Bluetooth FM transmitter.. Bluetooth V5.0 Crystal Clear MusicThe Bluetooth V5.0 chip makes the connection faster and the data transmission more stable. With the built-in advanced cancellation technology, external environmental noise can be reduced well to provide lossless acoustic quality for music.. Hands-free Calls This Bluetooth fm transmitter supports Voice Assistant for voice guidance, like sending texts, incoming phone number or driving directions. Nulaxy noise-cancellation technology dampens the road noise and gives you clear, crisp sound for hands free calls.. 7 LED Backlight The 7 LED backlight can be changed from Red Green Blue Yellowish Green Purple Cyan Silver White, which integrating with music creates a relaxing and cool car environment for you. In addition, with the help of LED lights, it is easier to find and use the transmitter.. Wide Compatibility This Bluetooth adapter car can be used with any Bluetooth device such as iPhone, iPod, HTC, Galaxy, Sony, tablet and Android Smartphones. And it fits 12V-24V cars and trucks. Besides, you can enjoy music via Bluetooth USB Flash Drive 32GB MicroSD Card32GB. Only WMA MP3 WAV APE FLAC music formats in USB flash drive or MicroSD card are supportedIC 26752-NX09 HVIN NX09.

Fast Charging 3 USB Ports The NX12 Bluetooth car adapter features two quick charging ports PD18W QC3.0 and a conventional USB port. PD 18W and QC 3.0 USB ports deliver 4X quicker charging speeds than standard charging connections. With three USB connections, you won't have to worry about insufficient chargers or slow charging for several devices.. Hi-Fi Deep Bass Music Player The FM transmitter supports your playlist while preserving the original signal from your Smartphones, MP3, LG, and other Bluetooth-enabled devices. The Music sound effect button b can substantially enhance dance music, DJ, RAP, and light music. It can also play music in MP3 WMA WAV formats from a USB flash drive.. Bluetooth V5.0 Bluetooth V5.0 offers a more reliable and speedier connection with no occasional disconnection to make phone calls, play music, or get driving directions. The Nulaxy Bluetooth FM transmitter supports voice assistance.. Hands-free Calls The integrated Noise Suppression CVC design effectively reduces external environmental noise to deliver clear, hands-free calls. All-in-one answerrejecthang uprecall buttons let you smoothly move between incoming calls and music.. Broad Compatibility This automobile Bluetooth converter is compatible with any Bluetooth device, including the iPad, iPhone, iPod, HTC, Galaxy, Sony, MP3 player, tablet, and Android smartphone. It also works with 12V-24V vehicles and trucks..

Upgraded Music Performance Thanks to the unique scroll wheel design, you can easily adjust the bass and treble effects to achieve the best musical performance. The LED color spectrum auto-syncs with your music, creating a fantastic atmosphere.. New Look and Easy Control Ruggedness style product design, better suited for off-road, pickup truck, van, and more. Large buttons and scroll wheels make it easier to use one button control to answer or hang up phone calls and play or pause music. And its LED display can act as a voltmeter to measure electrical output. Control with one hand, safer driving.. 2 Ports USB Fast Car Charger The KM34 FM transmitter can charge two external devices at the same time, thanks to its dual USB ports. It has a QC3.0 fast charging port. The charging time is four times faster than standard charging. No more worrying about the phone running out of battery on the road.. Clear Sounds Support Voice Assistant KM34 uses noise suppression technology and echo cancellation for high-quality, uninterrupted calling. In addition to hands-free calls, you can activate voice assistants Siri Google Assistant to use voice navigation and other functions.. Superb Connectivity Broad compatibility Bluetooth 5.3 provides a more stable and faster connection without intermittent disconnection. It is compatible with most devices on the market, such as iPad, iPhone, iPod, HTC, Galaxy, Sony, MP3 player, tablet and Android Smartphones. You can play your favorite songs on your car stereo via Bluetooth, U Disk and Bluetooth..

Voice AssistantNulaxy KM21 bluetooth car adapter is equipped with an air vent clip, which enables you to attach the fm transmitter to the air vent, so you can look at the display screen directly instead of lowering your head to the cigarette lighter. In addition, KM21 bluetooth fm transmitter supports smart voice services, providing you the voice control for a safer drive.. Charge Faster and FasterNulaxy Bluetooth FM Transmitter for Car has dual charging ports including QC3.0 and 2.4A, supporting 2 devices simultaneously. Besides that, you are able to greatly save your time by charging through the QC3.0 port, which can charge four times quicker than before.. Noise Cancellation for Hands-free CallNow the featured noise cancellation button will definitely offer you better sound quality for the hands-free call. Short press the button during the call, then the ANC mode is on, which will effectively reduce the traffic, wind, environmental noise. Just enjoy your hands-free call with a crystal clear sound.. Big Mic Bass BoostNulaxy car radio bluetooth is featured for its large microphone. The big, soft microphone can effectively collect voice as well as amplify the audio. In addition, you can enjoy the HiFi music via AUX port, bluetooth, and TF card. Customize your own music style by simply pressing the bass boost button and get immersed in it. Backlit Volume Control KnobOn the right side of Nulaxy km21 bluetooth transmitter car, there is a big volume control knob with backlit. This volume control knob is specially designed for easier operation, attributing to your safe driving. Plus the cool backlit, helping you easily find the fm bluetooth transmitter car even in the dark.Note please adjust BOTH the transmitter volume and the car volume. Only adjusting one of the volumes will not work..

1. ON OFF BUTTON - Nulaxy KM18 Plus is an upgraded version of the Nulaxy KM18 with On Off Button. An easier way to turn your KM18 Plus on and off. Nulaxy always thinking about your comfort while driving.. 2. GREAT ADVANTAGES Compatible with most devices on the market Apple, Samsung, Xiaomi, Oppo, Sony you will not have problems with compatibility. Play your favorite songs in the sound of your car through Bluetooth, TF Card, Aux Cable. Advanced noise reduction system will guarantee you a quality crystal clear sound.. 3. BIG LCD DISPLAY Developed with 1.44 inches screen to better visualize your phone calls, musics, car battery voltage. Ideal sized screen to assist drivers without disturbing the experience while driving safely.. 4. TECHNOLOGY IN YOUR CAR With our device you will add in your car 1 Bluetooth connection 2 Answer phone calls with a click and safely while driving 3 Voltmeter function to control the quality of your car battery 4 3 different ways to play music in your car and more.. 5. VOLTMETER FUNCTION Safety when driving is our first concern, so we equip our devices with voltmeter. You can now check the quality of your battery before your trip or daily ride. Battery between 14.8V to 13.4V is when your car is on and moving. Battery between 12.8V to 12.2V is the normal voltage of the battery in your car parked and power off. Battery below 12V change the battery as soon as possible.IC 26752-KM18. HVIN KM18 Plus.