1. Bluetooth version: 5.0
2. Headphone battery capacity: 45mAh charging compartment battery capacity: 400mAh
3. Standby time: about 80 hours
4. Talk time: about 3.5 hours
5. Music time: about 3 hours (80% volume)
6. Transmission distance: 10 meters
7. Intelligent noise reduction filtering ambient sound
8. Ergonomic design comfortable to wear
9. Adopt electroplating material with metal luster stylish and cool