DESCRIPTION
1. Material: ABS
2. Bluetooth: V5.0 JL
3. Output: USB1: 5V1A
USB2: 5V2.4A
4. Screen display: red, with voltage detection
5. Button: press 1 time to pause/play/answer/hang up, press 2 times to call back the last call, turn left once to the previous song, turn right once to the next song, no volume adjustment function,
6. Function: Bluetooth+U disk/TF card
