- Model: TWSEJ04LS
- Wireless connection: Bluetooth 5.0
- Communication distance:10 meters (accessible open environment)
- Working Time: about 4 hours
- Standby time: about 150 hours
- Single earphone battery capacity:40mAh
- Charging box battery capacity:300mAh
- Headphone charging time: about 1.5 hours
- Charging box charging time: about 2 hours
- The net weight of a single earphone: about 4.1g
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