HOCO ES77 Magnetic Lavalier Wireless Headset

. Bluetooth Version: 5.4
2. Chipset: JL AC7053F
3. Battery Capacity: 110mAh
4. Charging Time: 2 hours
5. Material: ABS + Silicone
6. Usage Time: 12 hours for music playback, 10 hours for calls
7. Earphone Cable Length: 40cm
8. Supports English and Chinese voice prompts; double-click the multi-function button to switch languages ??when not paired.