Highlights 3 Music Playing Modes Crystal Clear Hands-free CallSpecification Dimensions:8.07 in * 3.07 in * 1.69 in Weight:0.1600 lb Available Ship to:United StatesDetails *Features*: **3 Music Playing Modes*:With strong FM signal,it can play music from your wireless-enabled audio devices(such as,smartphone,tablets or audio player,etc.) to your car stereo system. It also support play music from TF card(up to 64GB) or USB disk(up to 64GB). And,it supports MP3/WMA/WAV format. Supports auto on/off memory for music and FM frequency. **Crystal Clear Hands-free Call*:Stable wireless connection and CVC noise cancellation technology of high-sensitive microphone ensures crystal-clear calls. Meantime,it will ensure safe driving when answer incoming call. Easy to answer/hang up calls,redial,adjust volume,etc. via the function buttons. **Keep Your Devices Fully Charged*:Comes with a standard USB output port for 5V/1A fast charging(charge your smartphone,tablet or other devices in fast speed). Also,the USB port supports USB disk reading. **Foldable and Convenient*:The flexible neck adopts 90° adjustable design for the optimal viewing angle and operation experience;Works well with most wireless-enabled devices and it supports Auto wireless pairing after first time use. The LCD display screen shows car voltage and FM frequency clearly. **Effortless Operation*:Simply insert it into the cigarette lighter socket(12-24V),turn your car FM radio on,find the empty frequency(not the local radio station),and then set the FM transmitter to the same frequency as the car's FM radio. Easily streams music and calls directly from your mobile devices to car stereo system via FM radio signal(87.5-108.0 MHz).   *Specifications*: Material: ABS, Aluminum Alloy Input Voltage: 12-24V USB output: 5V/1A Limited working voltage: 9-26V Wireless version: 3.0+EDR FM frequency range: 87.5-108 MHz Audio format: MP3, WMA, WAV Wireless Transmission Distance: 10m/3.28ft Mic Range: 1.6-16ft Size: 5.75 ×1.97 ×1.5inches (L×W×H) Weight: 1.5oz   *Package Lists*: 1×Car Wireless FM Transmitting 1×User Manual