Bluetooth: V 5.3, BT8922F2
Battery: 500mah (Charging Case), 40mAh earbuds
Working frequency: 20Hz-20KHz
Charging time: 2 hours
Working time: 4- 5 hours
Standby time: 200 hours
Type C charging port (support quick charging)
Size: charging case：65mm*27mm*50.3mm
Earbuds：34mm*22mm*24mm