It's not sketchy. It is Jack's, From Twitter invention.
Discussion
I hate to tell you, that's not a privacy tool. That's just a hardware wallet. Everything you do on it is transparent unless you are passing it around from person to person, which would be a bad idea because you/they could get rugged. Of course if you did want actual offline privacy you would use an opendime https://store.coinkite.com/store/opendime
I use a Trezor.