Hengyouyuan 64GB Leather Pendrive Wristband Wrist Band Strap USB Flash Drive Memory, Good Gift Idea Novelty Wristband Wrist Band Strap model design. Good looking. Good gift idea. It will be a big surprise to them. Easy and fast for data storage, data back-up and transfer of computer files. Supported operating systems: Windows 8/7/Vista/XP/Me/2000 / Mac OS X / Linux 2.6x Offer One year warranty