MECO 5Pcs 4GB 4G USB 2.0 Flash Drive Memory Stick Fold Storage Thumb Stick Pen Swivel Design Random Color Random Color!!!!! Size: 54*16*10mm(fold) Support USB version 2.0 and 1.0 Support Win98/ME/2000/XP/Vista/7, Mac OS 9.X Support PC Mode: all brands of PC, Laptop, HP, Dell, Toshiba, etc