Enfain 1GB USB Flash Drive Memory Stick Pen Key Shape - 10 Pack (1GB, Black Key) Enfain Flash Drives 1GB. Pack of 10 Key shaped USb Key. 0.1" thin. Capless. With Keyring Hole Memory sticks Compatible with USB2.0. Plug & Play. Easy to use USB sticks Supports Win7/Vista/XP/2000/ME/NT/98,Linux,Mac OS 100% MANUFACTURER'S WARRANTY: We stand behind of our Products and guarantee to the original purchaser that our product shall be free from defects for a period of one-year limited warranty from the original purchase date. If not complete satisfied with your purchase, simply contact Enfain seller team to make a replacement or refund request. This is part of our 100% Customer Satisfaction Guarantee.