Memory Capacity: 4GB
Interface USB ver2.0 compliant (USB1.1 compatible)
Supported OS: Windows XP / 2000 / ME / 98SE / Vista / 7/8, Mac OS 9 / X, Linux Kernel 2.4x or later
Size (approximate): W18 x L105 x H19 mm
Weight (approximate): 29g
The material is made of silicone, which has a soft touch like an eraser and is strong against impact.