Specifications: USB Interface USB 2.0 certified backward compatible with USB 1.1 True "plug & play" supports hot swapping function Power supply USB Bus-Powered No external power required Power consumption 115mA (max.) Available Color Stylish black Operating Systems Supported Windows 98/98SE/ME/XP/ 2000/Vista Mac OS 8.6 and Linux 2.4.0 or above * (drivers required for Windows 98/98SE) Capacity 2GB 4GB 8GB 16GB 32GB LED indication Flashing LED – Flashes for USB detection and data transmission Operating Temperature 0° C to +60° C (32° F to 140° F) Storage Temperature -20° C to +60° C (-4° F to +140° F) Dimension (L) 54.6 x (W) 20.6 x (H) 8.6 mm Weight 8g approx.