DESC: CoolMax Gemini HD-211 Series is portable size & excellent quality Slim Size 2.5” HDD Aluminum External Enclosure. It gives you the freedom to work anywhere; no matter you're in the office, at home or on the plane. This tiny portable 2.5” HDD external enclosure provides maximum durability, flexibility and portability with various interfaces. Once you download your information to HD-211 series, you can travel and connect it to any systems and gain access to your programs and data files anywhere. With built-in hot swap technology, you can connect and disconnect the drive any time.