Brushed metal panelDual knob development and design.Built-in Bluetooth + phone.Hands-free callsSupports Advanced Audio Distribution ProfileOff time display functionDigital high-quality FM stereo radio,Preset 18 stations (frequency: 87.5-108 MHz)Support USB / SD / MMC card readerSupport Audio: MP3 / WMA / WAV, etc.Support folder functionSupport breakpoints and ID3 PlaySupport Remote controlRotary Volume ControlMP3 randomized, 10 track up / down playbackElectronic control volume treble, bass, balance and faderMute and Loudess controlL / R RCA audio output jacks4-channel high power output (4 loud speaker)hine size: 178 mm (W) * 50MM (H) * 68mm (D)Overall dimensions: 188 mm * 58mm (H)Supply voltage:12VPC interface type:ISOColour: BlackMaterial: Plastic + MetalPackage Contents:3 x car MP3 player3 x remote control6 x Power cable6 x keys to install3 x English user manualOnly the above package content, other products are not included.Note: Light 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.