Features: Double USB PD fast charging,Can charge multiple mobile phones at the same for time. High quality music playback, wireless pairing 5.0 transmission without distortion, advanced noise reduction technology to ensure sound quality, crystal clear sound. Hands-free call,built-in microphone and noise suppression technology, make hands-free call clearer, automatically switch from music playing state to hands-free state when answering. One click to answer/end the call. It's easy to drive. Wireless pairing FM transmitter supports all devices that support wireless pairing, easy to set up and use. This wireless pairing radio transmitter supports 7-color LED backlight and you can get a visually stunning color display. Package Includes: 1x Car Bluetooth-compatible MP3 Player Specifications: 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 for play function Support remote control. Rotary electronic volume control MP3 for play supports pause /preview/repeat/random for play and 10 tracks up/down selections. 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 note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.