The USB flash drives no need to install any software, just plug in and use it! Supports Windows 7/ Windows 8 /Vista/XP/2000/ME/NT Linux and Mac OS. Compatible with USB 2.0, backwards USB 1.1. Credit card design, easy to carry in Wallet. Flat surface for LOGO stickers or markers. Good for corporate giveaway or trade show event. The large print area associated with this card-style USB drive makes it the most customizable data storage solution on the market today. The USB Business cards are ideal for product promotion or branding. They are also becoming more and more widely used by Photographers and Videographers to share images and videos.