Chip: Jerry 6973D  

Bluetooth version: V5.0  

Earphone battery: 40mAh*2(1.8h when fully charged)  

Charging case battery: 320mAh  

Playback time: 6-7h (60% volume)  

Call time: 6H  

Standby time: 300H  

Charging time: about 1.5 hours  

Battery display indicator  

Type_C USB