Pretec Swing 4GB USBStick, luxury edition. Capacity: 4 GB, Interface type: USB 2.0, Read speed: 20 MB/s. Width: 40 mm, Depth: 16 mm, Height: 7 mm. Operating temperature range (T-T): 0 - 85 °C, Storage temperature range (T-T): -20 - 120 °C