1. Hall switch, cool light turns on when the cover is opened
2. Bluetooth 5.3 chip is used, which is faster and more stable
3. Dual-mark ENC true call noise reduction, high-definition call, clear sound quality
4. Intelligent compatibility with various Bluetooth devices, stable and not stuck

Parameters
1. Bluetooth version: V5.3
2. Speaker specifications: 13mm / 3mW
3. Battery capacity: 320mAh+30mAh x 2
4. Play time: about 4.5H
5. Standby time: about 120H
6. Charging time: about 1.5H
7. Impedance: 32 ohms
8. Frequency range: 20HZ-20KHZ
9. Input: DC5V 300mA