JOKADE JD-011 HUIYE wireless headset - Black

Bluetooth version :Bluetooth V5.0+EDR; Transmission distance :10 meters 2. Use time :4 hours; Standby time :300 hours; Battery :200mAh rechargeable lithium battery Charging time :1.5 hours . Frequency response: 20HZ-20 KHz Bluetooth 5.0, low latency, millisecond response 6. Long endurance, long standby 7. Simple keys, easy to operate 8. Stylish design, comfortable earmuffs,