Classic MFD MicroSD to CF adapters?

I hope someone can help.

My boat has a Classic C80 MFD. It uses a CF (Compact Flash) card for charts.

All the newer MFDs seem to use microSD cards.

I see Raymarine used to sell a MicroSD to CF adapter (or would it be a CF to MicroSD adapter? :), however this has long been discontinued.

There are a lot of these CF to MicroSD adapters available on the market via Amazon or eBay, etc.

Can someone tell me if there are any important specifications on this adapter so I can purchase a generic brand since the Raymarine version is no longer sold?

I'd like to get an updated chart on a MicroSD card (probably the Navionics+), as the CF versions are hard to find.

Thanks for any advice on which CF to MicroSD adapter will work on the C80! (yes I know this is old technology)!

Regards,
Rich