Description: High speed interface Standard USB 3.0 interface is stable and durable. Plug and play without any external power supply. Zinc alloy metal texture full details of the metal design concept texture. Rigorous build, designer effort to build, water lines, car design style. Strong compatibility support exteral storage expansion for all computers and most TV/car/speaker devices. Specification: Waterproof and shockproof: Adopt waterproof design, soak in water for 24 hours, remove it and dry it for normal use. Positioning: business and learning office. Application: Store backup files, movies, music, pictures, software, data, etc. System requirement: Microsoft windows 98/98SE, ME, 2000, XP,Vista?Mac os 9.x or later. Material: Zinc alloy Package Includes: 1 Piece USB Flash Drive