Features: Comes with 2 USB charging ports and 1 PD charging port, supporting three devices to charge at the same time Five-way key design, more flexible operation, not afraid of key damage Comes with ambient light, with of the music, so that you are not alone when driving Wide range of applications, suitable for models with 12V-24V 5.0 protocol, more stable connection, built-in microphone, ultra-clear call Specifications: Version: V5.0+EDR Transmission distance: 10m Microphone effective range: 0.5-2m FM transmission frequency: 87.5-108Mhz Rated voltage: DC12V-24V Working voltage: 9-26V USB1 Output: QC3.0 USB2 Output: Read USB flash music Support play format: MP3 Audio playback format: WAV MP3 APE FLAC Working Temp: 0-50°C Size: 44*37.1*88.6mm/1.73*1.46*3.5in Package Included: 1pcs * Car MP3 Player