SPECFCATIONS: Capacity - 64GB / Interface - USB2.0 / Bulk - 5PCS / Compatible Operation System - Windows, iOS,Linux etc. FAST AND EASY TO USE: USB2.0 ensures high read/write speed. Plug and play, no require for installing a driver. Small and light,easy to carry. SECURE & DURABLE: Premium, reliable and secure storage. The metal cover protects your U disk from getting broken. All for your better experience. EXQUISITE AND CONVENIENT DESIGN: Swivel shape design and fashionable style Usb flash drive. The hoop ensures that you can lock it up to your key ring, which makes it easier to find and to take. MULTIFUNCTION AND WIDE COMPATIBILITY: suitable for digital data storing, transferring and sharing in school, in family, to friends,to wedding, to clients, to machines. Apply to data storage of music, photos, movies, designs, manuals, programmes, handouts etc.