I was conned into buying one of these, along with the even more outrageously described '30x' 'Gold' loupe.
Yes the '20x 'Triplet' does magnify a bit, and it has a wider field than many basic loupes. But if any of the reviewers who have given this such high praise had already a proper 20x loupe in their posession they would not be at all impressed!
There is one similarly high praising review of the Gold loupe, but I only just noticed the comment attached that puts the power more at 8x. Personally I would have put it at around 3x. This '20x' chrome is a little less powerful than my proper 10x loupe. I think that Triplet is using the same lenses in each device and banking on few buyers knowing what they are supposed to expect.
Go and try a proper 20x loupe all you 'satisfied' reviewers; then you really will be impressed!
And in future don't touch 'Triplet' with a barge pole!
Both of these product ads are offences under the Trades Descriptions Act.