Calabash Shaped Aluminum Alloy USB 2.0 Flash Drive Keychain - Silver White (4GB)
Anti-shock dampproof and anti electromagnetic wave; USB bus power supply: 4.5~5.5V; Working current: <50mA; Working temperature: 0~60'C; Storage temperature: -20~85'C; Interface: USB; No driver needed; Plug and play support hot swap; Actual capacity: 3.7GB