Product specification: Multifunction Bluetooth Vehicle MP3 Player Product specification: Built-in Bluetooth + Microphone Support hands-free calls. Support advanced audio transmission mode. Support the clock indicating while power is off. High-quality digital stereo FM radio 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 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 Front AUX audio input hole and rear terminal L / R audio RCA output hole. 4 track high-power output (4 high-power loudspeakers) Work Voltage: DC12V Kindly attention: This car radio do not BUILT IN and include any Memory card or TF card inside. There is not CD room for the CD Player. This is not Support CD/DVD Player. This is car radio MP3 player support the USB SD card. Package Include: * 1 x MP3 Player * 1 x Power & car speaker cable set * 1 x Remote control(Without Battery) * 2 x Installation fix metal * 1 x Manual