Bluetooth Car Stereo Radio Audio MP3 Player Single 1 Din In-Dash Head Unit Set
Tuner Features: FM 87.5-108MHz. Built-in Bluetooth + Microphone. (Radio frequency: 87.5-108MHz). Support USB/SD card reader. In the operation, press the knob can be adjusted in turn bass. In playback mode: 1 is paused, 2 is 10 seconds preview, 3 is repeat playback, 4 is randomly.