Specification:
Bluetooth Version: 4.1 + EDR
Bluetooth Protocol: HFP/HSP/A2PDP/AVRCP
Standby time: 150 hours
Music call time: 8 hours
Charging interface: USB
Connection distance: 10m
Charging Voltage: 5V
Charging time: 2 hours
Sensitivity: ±45dB
Frequency response range: 50-20000Hz
Resistance: 8 ohms
Packaging size: 100*80*30mm/3.93*3.14*1.18''
Weight: 46g
Note:
Please allow 1-3mm differs due to manual measurement.
Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.

Included:
1 X Bluetooth Wireless Earphone
1 X Charger
1 X User Manual