Despite its name this is not a true cryptocurrency wallet.

What you're looking at is essentially a flash drive with added encryption capabilities similar to devices made by reputable manufacturers like Kingston. However, unlike Kingston ^{which has a solid track record of producing reliable encrypted USB drives} that vault on ebay is unknown quantity thus it's better to avoid it. That being said, these types of devices are primarily designed for securely storing sensitive information like SEED phrases or private keys, rather for cryptographic operations like transactions signing.