1GB/2GB/4GB/8GB/16GB/32GB Cute Jewelry Diamond Necklace Shape USB Flash Drive Memory Stick Pen Drive (8GB) Cute jewelry diamond crystal necklace usb flash drive, can use as a necklace USB 2.0 interface and plug and play Operating System: Win98/ME/2000/XP/Vista/7, Mac OS 9.X/Linux2.4 Item Size: 5 * 5 *1 cm