Features: Support the clock display when the device is switched off. Supports USB//MMC card reader Supports o: MP3/WMA/WAV replacement formats etc. Supports folder playback function Supports breakpoint memory and playback. Supports the remote control. Electronic rotary controls Electronic volume control replacement for bass/treble/left and right balance/front and back balance Supports muting and control of the same volume (LUOD). Front AUX o input hole and rear terminal L/R o output hole. 4-track high-perreplacement formance output (4 high-perreplacement formance speakers) Working voltage: DC 12V HOW DO YOU SET THE TIME? 1. Change the hour-minute and briefly press the CLK button (one second).Hours and minutes are displayed on the sn. B Press and hold the CLK button until the hours flash.You can then turn the language button to adjust the hours . Briefly press the CLK button (one second).The minutes flash, then you can change the minutes.Finally, press the CLK button to confirm and exit 2.Change year-month-day , press the CLK button twice to go to the year-month-day sn, press and hold the CLK button until the year flashes, and then turn theVoice button to set the time.Briefly press the CLK button.The month flashes and then turns the voice button to change the month. d.Press the CLK button briefly.The tag flashes and then turns the voice button to change the tag Package included: 1 x Bluetooth car radio player 1 x remote control 1x user manual 1 x wire