3.5"usb hdd external enclosure 1.Aluminum made& wavy surface, effective heat dispersion 2.Screwless design, quick to install and easy to carry 3.Fashionable and eye-catching 4.Good compatibility 5. Screwless design, quick to install and easy to carry 6. Twinkle blue led indicator 7.Magnetism proof and shockproof 8.Plug&play and hot-swapping 9.Driverless (compatible with windows 2000/xp/me and os, mac without any driver installation)