Voltage: 12V Out Power: 4 x 60W Radio Response Bandwidth: 87.5-108.0MHz Number of Channels: 4CH Item Size: 1 DIN Placement: In-Dash OSD Language: English Resolution: 480 x 234 Material Type: Metal & ABS Product Weight: 445 G / 15.70 Ounces Product Dimensions(L*W*H): 200*75*130 MM / 7.87*2.95*5.12 Inches FM Radio: - Sensitivity: Less than 20dB - Stereo Separation: More than 25dB - SNR: More than 60dB Audio: - Operating temperature: -20 to 60 Centigrade - Quiescent current speaker impedance: 4 ohm - Frequency Response: 20 - 20000Hz Built-in EQ: Classic, Pops, Rock SNR (dB): >= 60dB Degree of Distortion (%): Less than 0.3% Media Format: MP3 Type: Car MP3 Player Music Source: 3.5mm stereo headphone jack, Cellphone, Flash drive, SD Built-in Speaker: Included 4 Loud speaker OSD Language: English Color: Black Bluetooth Method of use: - First, press MODE key switch to the AUX state machine. - Then open the phone scanning machine sign: CAR BT matching. - If need a password, please fill in 0000. - The matching success and then press MODE switch to the BT MODE Note: - This machine is 12V machine, not according to the 24V power supply. - This product does not support CD, VCD, DVD disc playback. Package Include: 1 x Vehicle MP3 Player 1 x User ManualSupport USB / SD / MMC card reader. SD card slot, SD card have music into SD connect can to play. Digital FM stereo radio. Anti-shock mechanism,USB connector, USB have music into USB connect can to play. Blue LED Screen, Time display, Built-in Bluetooth function, Remote control function. Supports advanced audio distribution profile. EQ function(Only for MP3 Playback). Auto store / preset scan; MP3 randomized, 10 track up / down playback. FM function(18 FM station memory), Volume control, Mute control. Multiple EQ scene selection: rock, pop, classical, etc. Auxiliary Input, HD Radio Ready, Remote Control, Satellite Radio Ready, USB Input.