FM radio: You can listen to real-time traffic, news boradcasts, weather forecasts, etc receiver 30 preset Store Function U 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 audio AUX 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 preference Model: D3400 Radio band: FM1, FM2, FM3 Radio frequency: FM 87.5M-108Mhz (default European frequency) Bluetooth version: 5.0 version (default name: CAR BT) Installation size: 178x50mm Playback mode: USB drive, AUX, Bluetooth, card insertion playback Working temperature: -10~60 ℃ Working voltage: 12-14.4V Output power: 45Wx4 Audio format: MP3/WMA/WAV/FLAC/APE Colour:black Material:ABS Package Contents: 1x Car Radio 2x Power Cord Only 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.