Item Type: Storage Memory Stick_x000D_ Material: Metal_x000D_ Compatible System: for Windows 7/8/10 / Vista / XP / Unix / 2000 / ME / NT Linux / OS X, etc._x000D_ Scope of Application: Data Storage, Transmission and Sharing of Music, Photos, Movies, Designs, Manuals, Handouts, Homework, etc.1All USB are double?tested before shipment, brand new and Class A chip USB flash drives, with stable and reliable performance. 2Extensive compatibility, the memory stick is suitable for all USB 2.0 ports, compatible with all devices with USB?A ports. 3Metal shell made of high?quality , durable, portable and waterproof, can prevent loss. 4USB2.0 ensures high reading and writing speed, plug and play, no driver installation required. 5The USB can as a special and practical gift for birthday gifts, Christmas gifts, New Year gifts or company welfare.Manufacturer standard: 1GB / 1000MB / 1MB = 1000KB_x000D_ Regarding usable capacity: Please note the memorandum regarding storage product capacity:_x000D_ 16GB= Approx. 14.5GB?15.5GB_x000D_ 32GB= Approx. 28GB?30GB_x000D_ 64GB= Approx. 58GB?60GB_x000D_ 128GB= Approx. 119GB?124GB1 x USB Flash Drive