Come and see our amazing products. This USB Flash Drive is completely water resistant. It can also resist dust, magnetism and high temperature. You can keep the reader on your keychain without worrying about cracking or losing. Compatible with most systems such as Win XP / Vista / 7/8/10, Linux, Mac OS X. Perfect for classes, business meetings, promotions, anniversary events, etc. Pls confirm further with us if any query about packing info, inventory status and time schedule.