It is a new Bluetooth FM Transmitter with Hands -free Car Kit Charger, which supports USB driver and TF card. It can automatically play and transmit the MP3 files of USB driver and TF card. Key Features: Bluetooth Function2 USB Charging PortsExcellent HI-FI Stereo SoundHands-free callUniversal CompatibleMemory Function.

Upgraded Bluetooth FM Transmitter - More stable signal, better anti-interference performance, enhanced sound experience and built-in microphone with Echo cancellation and noise suppression (CVC) technology, offer your hands-free talking, wonderful music.
Excellent HI-FI Stereo Sound - This car adapter designed with noise and wind suppressed by CVC technology to create full duplex sound quality; support MP3/wma/wav/flac, anti- statics design, enjoy the lossless music in your car!
3 Music Playing Modes & Hands-free Call - This car fm transmitter supports play music via bluetooth, TF card and USB disk. Built-in microphone, this Bluetooth FM transmitter enables you to answer, hang up, reject a call or redial the last number with ease
Dual USB Ports & Charge Easily - With two USB charging ports (output 5V-2100MA), you can get your devices full charged in short time. The power comes from cigarette lighter so it is suitable for most cars.
Widely Compatibility - This fm radio transmitter support mobile's A2DP function, work with SD, TF card and U disc. Fit for most of the smartphones, tablet and more devices that equipped with bluetooth function.