Bluetooth version: V5.0+EDR
Battery capacity:30mAh
Transmission distance: ≥15M
Usage time:3 hours
Charging time:70 minutes
Standby time:≤120 hours
Working current: 5-10MA
Operating Voltage: 3.0-4.2V
Power input:5V
Speaker impedance: 32Ω
Wireless Bluetooth Earbuds with Charging Case