1. BT version: v5.3. Chip: JL7003.
2. Supported protocols: Headset, Hands-free, A2DP, AVRCP.
3. Transmission distance: 10m.
4. Transmission frequency: 2.4GHz.
5. Speaker unit: 10mm.
6. Impedance: 32Ω ± 15%.
7. Frequency response: 60-20000Hz.
8. Sensitivity: 92dB ± 3dB.
9. Battery capacity: 500mAh.
10. Charging input: DC5V, Type-C.
11. Charging time: about 3 hours.
12. Talk / music time: 80 hours (80% volume level). Standby time: 500 hours.
13. Earcups with magnets. Silicone neck band.
14. Battery display: supports for Apple phones and some Android phones.
15. Length: 90cm.
16. Weight: 43g.
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