
I have the vyper 2 and love it so was buying one for my dad. Second vyper 3 I’ve bought through this seller which doesn’t work straight out of the box. The first one, none of the battery lights ever turned on and the device would not turn on. The second is fully charged but won’t turn on. Based on other reviews this sounds like a common problem and the company doesn’t care to fix or help customers. Seems like some sort of scam at this point so will return item.

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