1. BT version: v5.4. Chip: AC7016.
2. Supported protocols: Headset, Hands-free, A2DP, AVRCP.
3. Transmission distance: 10m.
4. Transmission frequency: 2402-2480MHz.
5. Speaker unit: 10mm.
6. Impedance: 32Ω ± 15%.
7. Frequency response: 20-20000Hz.
8. Sensitivity: 98dB ± 3dB.
9. Battery capacity: charging case 300mAh, 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: 6 hours (80% volume, ANC off), 5 hours (80% volume, ANC on). Total working time: 27 hours (ANC off), 22.5 hours (ANC on).
13. Half-in-ear design. Adaptive ANC and ENC 6 microphones noise reduction. Supports connection to 2 phones.
14. LED digital display of power level.
15. Supports leader-follower switching, voice assistant activation, songs switching, songs play / pause.
16. Open the charging case and take out headsets to turn it on and pair automatically. Headset automatically turns off when put in the charging case and cover is closed.
17. Battery display: supports for iP phones and some Android phones.
18. Sizes: 54 × 51 × 30mm.
19. Total weight: 36.7g. Single earbud weight: 4