Features: 1. Bluetooth, FM audio transmission 2. Support QC3.0, QC2.0, PD, Huawei FCP, Samsung AFC, BC1.2, Apple 2.4A and other charging protocols. 3. Support WMA, MP3, WAV, APE, FLAC music formats. 4. Support Bluetooth phone, voice, music, navigation 5. Support output over-voltage protection, short-circuit protection, over-current protection, over-temperature protection. 6. Automatic reconnection Product specification: 1. Bluetooth version: 5.3 2. FM frequency: 87.5 MHz-108.0 MHz 3. Bluetooth effective distance: 10 metres 4. QC3.0 port output: 5V/3A, 9V/2A, 12V/1.5A 5. PD port output: 5V/3A, 9V/3A, 12V/3A PPS: 3.3V-11V/3A *(USBA port PD port used at the same time for 5V/3A. MAX) 6.Telescopic line PD output 5V/3A, 9V/3A, 12V/2.5A PPS:3.3V-11V/3A 7.Telescopic line linghting output 5V/3A,9V/3A,12V/2.5A 8. Input voltage: 12V-24V　　 9. Maximum output power: 96W 10. Telescopic wire length: about 70CM Operating instructions: 1. Insert the device into the car cigarette lighter after the vehicle is started 2.. The device automatically turns on after insertion 3. Charge the device directly with the connecting cable at the charging port. 4. Turn on the car radio and tune it to a blank FM channel. 5. Tune the device to the same channel as the car radio. 6. Open the Bluetooth of the smart device to search for BC97 Bluetooth name, and click to connect. 7. After successful connection, you can play music, navigate or make/receive calls. Product list: Charger*1 Manual*1