Highlights: Easy to Use-Plug and play,no need to installany software.Support Windows 7 / 8 / 10 / Vista / XP / Unix / 2000 / ME / NTLinux and Mac OS. The flash drive use aluminum alloy material which is great for strength and durability; key shape and compact size, which allows you to hang it on your keychain as decoration and avoid losing; and it features dust-proof and shockproof Fashion and Convenience-Fashionable and convenient portable storage device allows you to store the information you want to record,keep your digital world in your pocket. 12 Months Warranty, Friendly Customer Service, if you have any question for the Flash Drives, please contact us directly, we will solve it for you within 24 hours, let you buy without worry = 50 PCS) 2. Pay attention to the size of the flash drive and avoid using too complicated shapes (character); 3. The color of LOGO is only gray; 4. Please send me a high-resolution PNG image; 5. Custom LOGO is only supported on metal surfaces. Features: Hot Plug & Play Durable solid-state storage Support Win98/ME/2000/XP/Vista/7, Mac OS 9.X/Linux2.4 without device drive Support solution for Linux kernel version 2.4 or later version Drive less for OS 9X or up Compatible with USB 1.1/2.0 Operating Temp: -10 to +55Deg.C Storage Temp: -20 to +55Deg.C 1 million times About capacity:Capacity: 8GB ˜ 7.4GB-7.6GB 16GB ˜ 14.4GB-14.8GB 32GB ˜ 28GB-30GB 64GB ˜ 58GB-60GB 128GB ˜ 110GB-125G The display capacity and nominal capacity are different because the calculation methods are different. Manufacturer standard: 1GB=1,000MB. Operation system standard: 1GB=1,024MB. This is calculation difference between manufacturer and computer, please Google 'Memory capacity' to get more information.