Main Features:
Support stereo music playing
Support the cell phone incoming call,hanging up and re-dialing functions
Support binaural call
Can be used in single mode or twins mode
Auto Power On/Off
Full touch operation
Music playing time: 4 hours
Talking time: 4.5 hours

Specification:
Bluetooth Chipset: Realtek RTL8763B (Bluetooth Version 5.0)
Battery capacity: 40mAh for earphone; 300mAh for charging box
Working distance: ≥10M
Standby time: 90 days
Charging time: 1.5 hours
Host size: 23.5mm x 19.5mm x 25mm
USB charging port: Micro USB