M-820
The Biuetooth V5.2 + EDR;Chip: Jerry 7003F;Transmission distance: 10 meters.Color: Black
Use time: 20 hours; Standby time: 400 hours;Battery: 200mAh rechargeable lithium battery;
Charging time: 45 minutes; Product size:350*120*12mm
Dual mode free switching, breathing lights in game mode,reduce delay
Strong battery life, 20 hours playing after one