Support hands-free calls. Support advanced audio transmission mode. Support the clock indicating while power is off. High-quality digital stereo FM radio FM: Support three-band radio store FM1-FM2-FM3, and can preset 18 radio stations. (Radio frequency: 87.5-108MHz) Support USB/TF card reader. Support audio: MP3/WMA/WAV formats and so on. Support folder play function Support breakpoint memory and ID3 play. Support remote control. Rotary electronic volume control MP3 play supports pause /preview/repeat/random play and 10 tracks up/down selections. Electronic type bass/treble/left and right balance/front and back balance volume control Multiple EQ scenario mode choice: rock, , classical, etc. Support mute and equal loudness (LUOD) control. Front AUX audio input hole and rear terminal L / R audio output hole. 4 track high-power output (4 high-power loudspeakers) 60W*4 Work Voltage: DC12V color:Photo color Material:Plastic + Metal Package Contents: 1 x MP3 Player 1 & car speaker cable set