T11 Bluetooth FM Transmitter Car MP3 Player with LED Display, Support Double USB Charge & Handsfree & TF Card & U Disk Music Play Function 1. Supports Bluetooth hands-free, built in microphone, safe and convenient to answer the call. 2. Noise and wind suppression by CVC technology to create full duplex sound quality. 3. Supports A2DP function. High quality music will be played directly while the mobile phone is connected by Bluetooth. 4. Support dual USB output voltage: Charge for Android & iPhone or other device, USB Output 5V 2.1A (Max). 5. Support FM transmitter: The device support 206 frequency channels from 87.5MHz to 108MHz. 6. Support music playing from TF card U Disk AUX-IN, TF card and U Disk can play music files in MP3WMAWAV format. 7. LED Digital Display. 8. Bluetooth answer, hang up, reject, redial calls and other functions 9. Mobile phone can be connected automatically when the device turns on.