DIGITAL PHOTO BANK SAFEGUARDS YOUR TREASURED COLLECTION! Don’t risk losing precious digital images—back them up with this handy, pocket-size device that instantly plugs into any computer’s USB port. No monthly fees, software or complicated set-ups needed! 4GB stick stores up to 4,000 images; 8GB stick holds up to 8,000. Both compatible with Windows 7, Vista, XP, and Mac 10.5 and above.