Casque Hoco “W51 Delightful” wireless wired

1. BT version: v5.3. Chip: AC7006F4.
2. Supported protocols: A2DP, AVRCP, HSP, HFP.
3. Transmission distance: 10m.
4. Transmission frequency: 2.4GHz.
5. Speaker unit: 40mm.
6. Impedance: 32Ω ± 15%.
7. Frequency response: 20-20000Hz.
8. Sensitivity: 98dB ± 3dB.
9. Battery capacity: 400mAh.
10. Charging input: DC5V, Type-C.
11. Charging time: 2 hours.
12. Talk / music time: 46 hours (80% volume). Standby time: 180 hours.
13. Lightweight, soft earmuffs, rotatable earcups, adjustable headband.
14. Supports songs switching, songs play / pause, volume adjustment.
15. Supports BT, TF card, AUX playback modes.
16. With microphone.
17. Accessories: Type-C charging cable × 1, AUX cable × 1.
18. Sizes: 208 × 195 × 77mm.
19. Weight: 262g.