If you can stretch a little I have had a logitech M705 for years, hardly ever have to change the battery and works fine, they can be found for low 20s.
edit: seem to have gone up in price recently actually!
Thanks for the recommendation - looks like they go for around 35 now, which is a bit more than I'd like to spend as it'll only have occasional use.
@ACRe19 started
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If you can stretch a little I have had a logitech M705 for years, hardly ever have to change the battery and works fine, they can be found for low 20s.
edit: seem to have gone up in price recently actually!