Widex RC4-1 - Manual (Page 8)

8
The battery
Battery type
The recommended battery type for your RC4-1 remote
control is:
Lithium CR 2032
Your RC4-1 uses two CR2032 batteries.
To obtain replacement batteries, please consult your
hearing care professional. Please note the expiry date
and the recommendations regarding disposal of used
batteries on the battery pack. The battery life will depend
on how much you use your remote control.