1. Rated power: 2W
2. Frequency response: 20Hz-20kHz
3. Bluetooth transmission distance: about 10m
4. Bluetooth version: 5.3
5. Charging time: about 2h
6. Headphone battery capacity: 85mAh
7. Playing time: about 10h
8. Charging compartment battery: 400mAh
9. The left and right earphones are paired, freely switchable, and can be used separately
10. Ear-hook design, comfortable to wear, stable and will not fall off
11. HiFi-level stereo sound, easy to listen to CD-level sound
12. Bluetooth smart compatible with various systems