Hoco EW52 Lilly Crystal Transparent True Wireless BT Headset Black
1. BT version: v5.3. Chip: JL AC6973.
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 300mAh, headset 30mAh.
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: 4 hours (80% volume). Standby time: 200 hours.
13. Transparent charging case.
14. Supports leader-follower switching, voice assistant activation, songs switching.
15. Headset automatically turns on when taken out from the charging case, automatic pairing. Headset automatically turns off when placed into the charging case.
16. Battery display: supports for Apple phones and some Android phones.
17. Sizes: 60 × 50 × 28mm.
18. Total weight: 43.5g. Single earbud weight: 3.3g.