Bluetooth headset EW78

1. Bluetooth version: 5.4, chip: JL AC6983

2. Battery capacity: Charging box 300mAh, earphone 30mAh

3. Usage time: 4 hours

4. Size: 49*46*20.2mm; Total weight: 40g

5. Support master-slave switching, up and down song switching, summoning Siri, sliding adjustment, pressure sensitive operation and other functions

6. It does not support the reset function by pressing and holding the button