Specifications:
Chip: Jerry
Bluetooth version: 5.4
Speaker: φ13mm
Headset battery: 33mah
Warehouse battery: 380mah
Shutdown standby time: about 180 days
Music time: 5 hours
Talk time: 5 hours
Charging time: about 40 minutes
Charging time: about 1 hour
Communication distance: 10M
Charging interface: Type-C
Charging voltage: DC5V/1A
Color: White

Packing list: 

Headset + cable + manual