Highlights Car MP3 Player USB Disk Reading Hands-free Call Fast USB ChargeSpecification Dimensions:3.93 in * 3.14 in * 0.98 in Weight:0.1700 lb Available Ship to:United StatesDetails *Features*: **4 Music Playing Modes*:With stable wireless and strong FM signal connection,it can play music from your wireless-enabled audio devices to car stereo system. It also support play music from TF card(up to 32GB),USB flash disk(up to 32GB). The aux-in makes it can stream music from MP3,MP4 and other audio devices with 3.5mm port. Also,it supports MP3/WMA/WAV audio formats. **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. **Keep Your Devices Fully Charged*:Comes with a standard USB output port for 5V/2.1A fast charging(charge your smartphone,tablet or other devices in fast speed). Also,the USB port supports USB disk reading. **Effortless Operation*:Simply insert it into the cigarette lighter socket,turn your car FM radio on,find an empty frequency,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). **Wide Compatibility*:Our iMounTek in-car wireless FM transmitter is well compatible with for iPhone 8/iPhone 8 plus/iPhone X/iPhone 7/iPhone 7 plus/Samsun/HTC/Blackberry/Sony/ iPad and Tablet,etc. *Specifications*: Material: ABS, aluminum alloy Wireless Connection: Wireless and FM Connection Audio format: MP3, WMA, WAV Input: 12-24V USB Output: 5V/2.1A Limited working voltage: 9-26V Frequency response: 20Hz-15KHz FM frequency range: 87.5-108Mhz Wireless transmission distance: 32 feet Mic range: 1.6-6.6 feet Size: 3.94'×3.15'×0.98' (L×W×H) Weight: 1.32oz Package size: 4.72'×3.66'×1.38' (L×W×H) Package weight: 3.09oz *Package Lists*: 1 x User Manual