FM Transmitter Bluetooth FM Transmitter Wireless Radio Adapter Car Kit with Dual USB Charging Car Charger MP3 Player Support TF Card & USB Disk. IT is anti- statics designed, and equipped with noise and wind suppressed by CVC technology that can achieve full duplex sound quality. You can stream music on your car stereo via Bluetooth/ USB Flash Drive (≤32GB) / microSD Card (≤32GB). WMA MP3 WAV APE FLAC music formats are all supported.