Features: 1.The U disk is available for mobile phones and computers, supports plug-and-play, and unimpeded transmission. 2.USB2.0 standard interface, fast transmission speed, more efficient transmission and storage of data. 3.Use the U disk to solve the lack of memory, instantly expand the phone's capacity, and watch high-definition movies at any time. 4.The OTG+USB 3?in?1 design can easily solve the transmission problem between the computer and the mobile phone. 5.Connected to a mobile phone or a computer through a USB interface, no additional driver is required, and wiring is less messy. specification:Item Type: U Disk Support System: (Above for Windows98) for Windows 98/Me/2000/XP/OS X9.x/OS X/Linux2.4.x Interface: USB2.0 Applicable Computer: For IBM PC/OS X PC or laptop, etc. Speed: Maximum write speed 6mb/s, maximum read speed 15mb/s Application: Backup files, videos, etc. Operation: Plug and play PackageList:1 x U Disk NoteThe displayed capacity is different from the nominal capacity because the calculation method is different. Manufacturer Standard: 1GB / 1000MB / 1MB = 1000KB Regarding Usable Capacity: Please Note The Memorandum Regarding Storage Product Capacity: 4GB=Approximately 3.4GB?3.8GB 8GB=Approximately 7.4GB?7.6GB 16GB=Approximately 14.5GB?15.5GB 32GB=Approximately 28GB?30GB 64GB=Approximately 58GB?60GB 128GB=Approximately 119GB?124GB 256GB=Approximately 249GB?250GB 512GB=Approximately 498GB?500GB