Drive the phone and audio to the CAR FM stereo system through Bluetooth Wireless. When answering the phone, it will automatically flow from music to the free mode. With rhythmic ambient light, it responds to the rhythm of music. High -definition, no stagnation of three -dimensional sound calls to enhance the effect of remote calls. Support Siri and Google Assistant's voice assistant functions, you can shake and sober just to touch the knob switch. When the power supply is turned on, detect and display the voltage of the car battery. Support the top-level mainstream fast charging port Type-C PD3.0 (30W) fast charging to meet the timely supplement of mobile phones, , Recorders, DIGITAL devices, etc. High -quality Bluetooth chip (low power consumption and more stable) Wide voltage design: The maximum range is compatible with the voltage range of 9-28V. The built -in noise reduction chip can beolate the bottom noise and road of the FM bottom of the car at high speed, so that users can enjoy high -quality calls and music. Bluetooth version: V5.3 Bluetooth protocol: AVRCP, HFP, A2DP Frequency range: 87.5-108.0MHz Product input: 12-24V Music format: MP3, WMA APE, APE FLAC, APE FLAC, Bluetooth distance: about 10M FM transmission distance: about 3meter Blue USB-A port output: 5V/2.4A (supports 64G U disk music reading) Type-C port output: PD3.0 (30W) charging protocol DC5V/3A, 9V/3A, 12V/2.5A Colour:B:black Material:plastic Package Contents: 1 x mp3 player 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.