1. The battery capacity of the battery compartment: 300mA
2. Battery protection board IC brand: transistor battery protection board
3. The battery capacity of the headset: 35mA
4. There is a battery in one ear or a battery in both ears: both ears with battery
5. How long can each use: 3 hours
6. How many times can the battery compartment charge once: 4 times
7. Bluetooth version: v5.0 + EDR
8. Double ear canal transmission or single ear canal transmission: dual channel
9. Whether built-in microphone: binaural double microphone
10. Whether waterproof, if waterproof, what is the waterproof level: IPX5
11. Bluetooth range: 10M or 50M: 30 meters

Single size / weight:
Size: 10 * 8 * 3CM
Weight: 65 g