1.Material: plastic
2. Bluetooth version: 5.0
3. Bluetooth protocol: A2DP / AVRCP / HFP / HSP
4. Transmission radius: 10m
5. Sensitivity: 102dB
6. Rated headphone input: DC 5V 60mA
7. Charging box rated input: DC 5V 500mA
8. Working time: 8 hours (headphones) + 24 hours (charging box)
9. Headphone charging time: about 1.5 hours
10. The charging box provides charging times for the earphones: 3 times
11.Frequency response range: 20-20000Hz
12. Weight: 56.6g
13. Features: call/reject/answer biological diaphragm touch Bluetooth V5.0 8+24 hours battery life IPX5 waterproof function aptx lossless decoding