ITEM NAME:Metal Crystal Usb Flash Drive Pendrive Memory Stick U Disk USB 2.0(32GB) Q2Y1 Metal Crystal Usb Flash Drive Pendrive Memory Stick U Disk USB 2.0(32GB) Q2Y1 1. USB connection,support Hot plug & Play.2. No external power supply . 3. Support different types of os.4. Solid State Storage, Shock proof and electromagnetic proof. 5. Durable data storage.6. Fast speed in write/read transfer 7. Hardware Requirement: PC with USB connection,Notebook,MAC Capacity:32GB Color: white + green material: metal Package Contents: 1 * u disk warm tip: 100% real capacity,pass H2testw. About real capacity 32GB = approximately 28GB-30GB This is calculation difference between manufacturer and your PC, please Google 'Memory card capacity' to get more information. Your PC says 1GB = 1.073741824 Billion bytes where Market Defines 1 GB = 1.00 Billion bytes.The pursuit of the perfect person is not recommended to buy.USB connection,support Hot plug & Play.2. Durable data storage.6. Fast speed in write/read transfer. Support different types of os.4. Solid State Storage, Shock proof and electromagnetic proof.