MP3 Player Handsfree Speaker Audio Coche Adapter Receiver USB Fast Charger

Features: New high quality. Usb3.1a dual charging ports enable charging when listening to songs. Bluetooth versio n 5.0 supports Bluetooth audio playback, voice navigation and Bluetooth Handsfree calling. Support Bluetooth /u disk and plug and play. Full frequency FM wireless transmission technology can directly play audio files on Bluetooth mobile phone /u disk. The LED display screen controls the voltage in real time, making driving safer. Support power-off memory function. The smart chip has many protection functions, such as overload, overload, overheating, overvoltage, short circuit protection, anti burn and so on, making it safer to use. It is applicable to all vehicles with voltage of 12v-24v. Specifications: Material: ABS Bluetooth version: BT 5.0 Effective distance: 10M Charging interface: USB 3.1a+1.0a Charging current: 5v/3.1a, 5v/1.0a Voltage: 12-24V Transmission frequency: 87.5mhz-108.0mhz Functions: dual USB charging, USB flas