I have this one:
https://aliexpress.com/item/1005003604158802.html
It's of a much better quality than I expected for this price, and I've been able to use it with either hand (I just need to set the lower button as "page next" when reading with the strap, otherwise it's not comfortable). The only drawback I see is that's it's kind of on the heavy side; it's not a problem for me but it could be for some.