Coollife 1GB 2GB 4GB 8GB 16G USB 2.0 Bright Flash Drive Pen Memory Stick Thumb Disk Storage Xmas Gift Size: 53x17x7mm(approx.) Storage Lifetime: More than 10 years;?Fast data transfer rate--Read: 22MB/sec & Write: 3.5 MB/sec. Support USB version 2.0 and 1.0.;Support Windows 2000 / XP / Vista / win 7, Mac 9.0 or above;?Support PC Mode: all brands of PC, Laptop, HP, Dell, Toshiba, etc.