These steps will show you how to set up and change SONNET rechargeable batteries. The hands-on video will also show you how to use the charger for SONNET rechargeable batteries.
Attach the rechargeable battery adapter to the control unit.
Note the mechanism that secures the control unit to the frame.
Insert rechargeable battery at an angle. The side with the higher lip should be facing towards the earhook.
Gently press rechargeable battery back into rechargeable battery adapter until it clicks into place.
To remove rechargeable battery, reverse steps 3 & 2. Rechargeable battery adapter does not need to be removed to change rechargeable batteries.
Refer to your user manual for more information.