There are 2 connections (and the power cable) that can be connected with this device.
Charging the Headset
For the first use, it is recommended to charge the headset for at least 30 minutes.
To charge, simply dock the headset onto the base and confirm it is fully seated in the dock as pictured above.
The light on the headset will slowly blink green to indicate it is charging.
Wearing the Headset
Replace Ear Cushions
Yealink USB Connect Management