BT Hands Free + FM Transmitter + Type-C PD20W + 3.1A Car Charger (Dual USB Port) Bluetooth V5.0 + EDR
1. Built-in MIC, hands-free talking and A2DP music playback
2. Automatically switch to Hands-free mode from playing music
3. Dual USB 5V/3.1A
4. LED display
5. Support TF card/USB flash memory
6. Supports MP3/WMA format files
7. Frequency: 87.6-107.9MHZ
8. Car battery voltage display: to examine the car battery status, including: car MP3 player
How to use:
1. Insert the device into the car cigarette lighter socket, turn on the car to start
2. Tune the radio and the device to the same empty channel, such as if the car radio is 87.5MHz, the device must be 87, 5 MHz, the device must be 87.5 MHz, successfully start music with the phone playing on the car speaker
3. Play USB Flash Music: If you insert the USB flash drive, it will play USB music automatically