1. BT version: v5.3. Chip: JL7003D4.
2. Supported protocols: Headset, Hands-free, A2DP, AVRCP.
3. Transmission distance: 10m.
4. Transmission frequency: 2.4Hz.
5. Speaker unit: 16.2mm.
6. Impedance: 16Ω ± 15%.
7. Frequency response: 20-20000Hz.
8. Sensitivity: 98dB ± 3dB.
9. Battery capacity: charging case 500mAh, headset 90mAh.
10. Charging case input: DC5V, Type-C.
11. Charging time: about 2 hours for charging case, about 1.5 hour for headset.
12. Talk / music time: 10 hours (80% volume). Standby time: 360 hours.
13. LED digital display of power level.
14. Open wearable stereo – OWS. Ear-hook design.
15 Supports leader-follower switching, voice assistant activation, songs switching, songs play / pause.
16. Headset automatically turns on when taken out from the charging case, automatic pairing. Headset automatically turns off when placed into the charging case.
17. Battery display: supports for Apple phones and some Android phones.
18. Sizes: 75.5 × 64.5 × 42mm.
19. Total weight: 85.6g. Single earbud weight: 11.5g.