1. Radio 2. Read card U disk (audio) 3. AUX function 4. Bluetooth function 5. audio output can be connected to subwoofer 6.. Colorful lights 7. USB mobile phone charging function (1.5A) 8. Voice assistant function 9. Mobile APP function Model: M12 Type: Car MP3 Software solution: 4900C Radio frequency: FM 87.5~108MHz Radio IC: chip integration Power amplifier IC: TDA7388 Output power: 60Wx4 Working voltage: 12~14.4V Working temperature: -10~60℃ Bluetooth version: version 5.1 (default name: CAR BT) Installation size: 178x50mm Shell size: 188x58mm Host depth: 55MM Mobile phone interconnection: APP connection Front USB: 2 USB ports, one charging and one USB2.0 reading TF card: support Reset button: support Audio output: 4 channels (2 channels left channel + 2 channels right channel) Audio input: Front AUX input (left channel + right channel) Audio format: MP3/WMA/WAV/FLAC Colour:Photo Color Material:Plastic + Metal Package Contents: 1X Car Player 1X remote control (without 1 x button battery) 1X Power Cord 1X speaker wire 2X disassembly key 1X English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.