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
