Product Details  USB flash drive --wrist band style  exceptional quality  customerlized logo as decorations  competitive price, USB flash drive --wrist band style  USB flash drive  * USB 1.1 & 2.0 Certified  * Capacities: 64MB, 128MB, 256MB, 512MB, 1GB, 2GB, 4GB. 8GB * 3 Year Warranty  * Compatible With USB1.1  * For Mac and PC, No Driver Required  * No External Power Required  * Functions as Hard Drive  * LED Indicated Power, Read/Write  * Shock Resistance: 1000G  * Min. Data Retention: 10 Years  * Auto-run, Space partition, Password Protection and boot function.  * Multiple Operation Systems supported: No driver needed in Windows ME,   Windows 2000, Windows XP, Mac 9.x or later, Linux Kernel 2.4 or later.   Only Windows 98 and Windows 98SE need the enclosed driver  * Colors: Blue, Black, Red, White, Yellow, Orange, Green, Purple etc.  * Plastic finishing.  * Accessories: USB Cable, CD Driver, Lanyard (Optional)  * Physical Size: 221x 17 x 2.5mm (LxWxH)