Duracell USB Flash Drive.
This Duracell Flash drive comes with a strong outer shell and a flashing light to say when USB is connecting to your PC, But the Main Feature of the Duracell USB Flash Drive is that you can be reassured that your flash drive will be securely connected to your key chain through a strong keyring connector. ( See image of 8GB USB also comes in 4,16,32 same dimensions as seen for 8GB)