I ordered 2 packs of 50 USB's (4GB) (Knockoffs. Not brand name.) Oddly, each one came in a separate package, although I ordered them at the exact same time. Anyhow, one box was all neat, with the contents looking professionally packed. However, with the second one, the contents were just dumped in the box, seemingly opened, and then returned by different customer.
Contacted Amazon, they replaced it by ordering me a new one, and said I don't need to return the old ones...
Is it safe to use those USBs? Anything to worry about? Should I just chuck all of them?