1. Material: Plastic
2. Bluetooth version: Bluetooth V5.0
3. Bluetooth protocol: A2DP/AVRCP/HFP/HSP
4. Effective distance: 10m
5. Audio decoding: Atpx, SBC
6. Sensitivity: 94dB
7. Charging time: about 1 hour
8. Working time (noise reduction off): 5 hours (headphone) + 10 hours (charging box)
9. Working time (noise reduction on): 11 hours (headphone) + 22 hours (charging box)
10. Features: support call, ANC active noise reduction, listening to ambient sound, aptx audio decoding, Bluetooth V5.0 chip, large-size graphene diaphragm, endurance 11 + 22 hours