Rexton Day Free

I bought a set of Rexton Day Free on the internet. I have a set I bought from a dealer, but I lost the right one. So I bought these for a much reduced price. However they are different from mine. I don’t know how to set volume or pair the remote to them. Help please

There’s no volume control button on a Day Free. You’ll need to take the hearing aids and remote control to an audiologist or dispenser in order to have them programmed and linked together.