1. BT version: v5.3. Chip: JL AC6983D2.
2. Supported protocols: Headset, Hands-free, A2DP, AVRCP.
3. Transmission distance: 10m.
4. Transmission frequency: 2.4Hz.
5. Speaker unit: 13mm.
6. Impedance: 32Ω ± 15%.
7. Frequency response: 20-20000Hz.
8. Sensitivity: 98dB ± 3dB.
9. Battery capacity: charging case 320mAh, headset 35mAh.
10. Charging case input: DC5V, Type-C.
11. Charging time: about 1.5 hours for charging case, about 1 hour for headset.
12. Talk / music time: 7 hours (80% volume). Standby time: 180 hours.
13. Supports leader-follower switching, voice assistant activation, songs switching, songs play / pause.
14. Headset automatically turns on when taken out from the charging case, automatic pairing. Headset automatically turns off when placed into the charging case.
15. Battery display: supports for Apple phones and some Android phones.
16. Sizes: 58 × 49 × 25mm.
17. Total weight: 50g. Single earbud weight: 4g.
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