Wireless Bluetooth Earphone:

Life waterproof; no matter whether it is sweat in the gym or outdoor sports in the rain, it will not cause damage to the headphones. The ergonomically designed headphone head with soft natural silicone earmuffs will not cause ear pain and other bad conditions even if you wear the headphones for a long time.

Specifications:

Bluetooth version: second-generation Bluetooth 5.0
Music/call duration: 3 hours
The charging box can charge the headset:4-5 times
Charging box capacity: 300mAh polymer lithium battery
Headphone single ear capacity: 60mAh polymer lithium battery
Sensitivity: 120dB
Impedance: 32Ω
Bluetooth transmission distance: 10 meters
Charging voltage: 3.7V
Bluetooth decoder: ACC