Product information:
Power type: car battery
Material: electronic hardware plastic
Color classification: 12v (12P interface),12V/24v Universal (12P interface),12V(ISO interface, 12V-24V(ISO interface)

Product specifications:

Multifunctional Bluetooth automotive MP3 player
Built-in Bluetooth microphone
Supports hands-free calls.
Supports audio transmission mode.
Supports power-off clock indication.
High quality digital stereo FM Radio
Supports three-band radio storage of FM1-FM2-FM3 and can preset 18 radio stations. (RF: 87.5-108MHz)
Supports USB/TF card reader
Supports audio formats such as MP3, WMA, and WAV.
Supports folder playback
Remote control is supported.
Rotary electronic volume control
MP3 playback supports pause/preview/repeat/random playback and up/down selection of 10 tracks.
Electronic bass/treble/Left and Right balance/front and rear balance volume control
Front AUX audio input hole and rear terminal L/R audio RCA output hole.
4-channel high-power output (4 high-power speakers)
Operating voltage: DC12/12-24V