1、High speed USB flash drive, compatible with most USB devices on the market, mobile phones/computers, etc. 2、Support for Windows 98/Me/2000/XP, for Mac OS 9.x/ for Mac OS X/for Linux2.4.x. 3、No need for drive, just plug and play, support directly read, copy, 4‑10mb/s writing speed, 10‑20mb/s reading speed. 4、Comes with an adapter for Android, can expand the phone memory, convenient storage, files, photos, videos, etc. 5、Carefully crafted metal texture on the surface, compact size, equipped with a keychain for easy carrying, not easy to lost. Item Type: USB Flash Drive Material: MetalType: Drive Free Support System: (Above for Windows98) support for Windows 98/Me/2000/XP, for Mac OS 9.x/ for Mac OS X/ for Linux2.4.x Interface: USB2.0 Computer: Suitable for IBM PC, for MAC PC or laptop, etc. Speed: Maximum writing speed 4-10mb/s, Maximum reading speed 10-20mb/s Application: Backup files, videos, etc.Operation: Plug and play 1 x U Disk 1 x Adapter for Android 1 x Round Key Chain