Brushed metal panel Dual knob development and design. Built-in Bluetooth and phone. Hands-free calls Supports Advanced Audio Distribution Profile Off time display function Digital FM stereo radio, Preset 18 stations (frequency: 875-108 MHz) Support USB / SD / MMC card reader Support Audio: MP3 / WMA / WAV, etc. Support folder function Support breakpoints and ID3 Play Support Remote control Volume Control MP3 randomized, 10 track up / down playback Electronic control volume treble, , balance and fader Mute and Loudess control L / R RCA audio output jacks 4-channel high output (4 loud speaker) hine size: 178 mm (W) x 50MM (H) x 68mm (D) Overall dimensions: 188 mm x 58mm (H) Supply voltage:12V PC interface type:ISO Colour: Black Material: Plastic and Metal Package Contents: 1 x car MP3 player 1 x remote control 2 x cable 2 x keys to install 1 x English user manual Only 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.