FM radio: You can listen to real-time traffic, news boradcasts, weather forecasts, etc receiver 30 preset Store FunctionU disk/AUX in/TF Card play: Support U disk to play, you only need to insert the U disk into the machine's interface for audio / video / picture support for ,external pull AUX (plug) input audioAUX audio input interface supports external MP3, mobile phones, music players, etc.Built-in Bluetooth function: support bluetooth music playback, driving. Connect with mobile phone, and support hands-free calling, phone book download.Mobile phone holder: place your mobile phone stably, free your hands and drive safely, and adjust the position according to your preferenceModel: D3400Radio band: FM1, FM2, FM3Radio frequency: FM 87.5M-108Mhz (default European frequency)Bluetooth version: 5.0 version (default name: CAR BT)Installation size: 178x50mmPlayback mode: USB drive, AUX, Bluetooth, card insertion playbackWorking temperature: -10~60 Working voltage: 12-14.4VOutput power: 45Wx4Audio format: MP3/WMA/WAV/FLAC/APEColour:blackMaterial:ABSPackage Contents:1x Car Radio2x Power CordOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.