[Bluetooth radio ] Equipped with Bluetooth transmission and reception, the car stereo connects to various mobile devices via Bluetooth, more stable and convenient to enjoy the music and receive the call. Hands-free calls, It is not necessary to lift the phone with your hands to have safe driving. [ Compatible FM Function,Music Function ] Support FM1 / FM2 / FM3 three-band radio search, compatible Bluetooth car stereo, FM mode effective in receiving the desired station, high quality FM1 / FM2/FM3 Radio frequency: 87.5 MHz - 108 MHz. [ Memory station function ] To save the radio memory, the yellow line of the radio needs to be connected to the car's power line. When you listen to the radio, you can store 18 radio channels in advance(FM1-FM2-FM3). [ Support USB / TF & AUX ] The car radio is possible to connect your external devices to your car radio thanks to the USB or AUX input, the TF card port. Audio formats to support MP3, WMA, WAV. This radio receiver can play music stored on the TF