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Carry around one less thing when you trade in your standard MP3 player for the Wallet Flash. It's a credit card-sized player with a double-sided USB adapter (you can plug it in any direction) and built-in playback controls.

The storage ranges from 128MB to 2GB, and is encased in a PVC shell which actually feels pretty solid. We're still worried about accidentally snapping it off when it's plugged into a PC, but that's true for all long USB devices.

The thing gets 5 hours of battery life and can even be integrated with barcode, RFID or USB functionality for authentication.

Product Page [Walletex]