Bolayu 1GB Thumb Guitar USB 2.0 Metal Flash Memory Stick Storage U Disk Compact, slim, and light weight. Speed: Writing Average 10-12MB/Sec. Speed: Reading Average 3-5MB/Sec. Speeds of up to for handling your large photos, videos, or other files in a fraction of the time. Supports Windows 7 / 8 / 98 / Me / 2000 / XP / Vista / Linux 2.4, Mac OS 9.0 And above Etc Computer operating systems. Effect of U disk read and write speed will be affected by temperature and transport.