Lenovo TC3403 Open Ear Clip Type ENC True Wireless BT 5.3 Earphones

1. Bluetooth version: 5.3
2. Standby time: 300h
3. Charging time: 1.5h
4. Battery capacity: charging case 180mAh; Headphones 25mAh
5. Frequency: 20Hz-20KHz
6. Maximum transmission distance: 10m
7. Music playback time: 6h
8. Using DT directional transmission technology, sound leakage is reduced by 93%
9. Support ENC noise reduction