Chip --- Grade A, original brand flash memory chip
Writing speed --- 3MB/S-6MB/S
Reading speed --- 6MB/S-12MB/S
Durability --- 50,000 times read and write
Operating Temperatures --- 32° to 140°(0° to 60°)
Storage Temperatures --- -4° to 185° (-20° to 85°)
Operating System --- Windows 7/Vista/XP/2000/ME/NT,Linux and Mac OS
Compatibility --- Desktop, Laptop, Macintosh, Tablet, Speakers all with USB port
Package Description --- 20 Pack of 2 GB USB Flash Drives, packed in a nice carton box.