Bluetooth Version: V5.3
Bluetooth Range: 10-15m
Talk Time: Approx. 8 Hours
Case Standby Time: About 130 Hours
Earbuds Capacity: 50 mAh Rechargeable Li-ion Battery
Case Capacity: 400 mAh
Frequency Response: 100-20KHZ
Speaker Impedance: 32 Ω
Power Input: 5V
Operating Voltage: 3.0V-4.2V
Working Current: 5-10MA