• Bluetooth 5.3
• Bluetooth range <10m
• Playing Time : 5h
• Calling Time : 4h
• Earbuds capacity : 30mAh 
• Charging port: Type-C
• Charging Time:<1.5H*
• Ergonomic & Secure Fit
• Moture protection : IPX4
• Full battery capacity : Up to 20h
• Charging case capacity : 400mAh
• Charging voltage: DC 5V 0.5A
• Fast charging

Only 5V adapter can be used to charge it, Do not use adapter with higher than 5V.

Made in China,Hong Kong.