Features: 1.The U disk does not need other data lines to connect, supports plug and play, and reduces wiring clutter. 2.The U disk adopts USB2.0 interface, the maximum writing speed is 4-10mb/s, the maximum reading speed is 10-20mb/s, and the transmission efficiency is high. 3.The kit contains a type-c adapter, which is used compatible with mobile phones and computers and other devices, with wide compatibility. 4.The U disk is equipped with a metal keychain, which can be hung on the phone to avoid loss due to its small size. 5.The flash disk is usually used to store and transfer files, photos and audio, etc., suitable compatible with PPT presentations and video projections and other situations. specification:Item Type: Flash Drive Operating System: (Above compatible with Windows98) Support compatible with Windows 98/Me/2000/XP/OS X 9.x/OS X/Linux2.4.x Interface: USB2.0 Support Computer: compatible with IBM PC/iOS PC or laptop, etc. Speed: Maximum write speed 4-10mb/s, maximum read speed 10-20mb/s Application: Backup files, videos, etc. Operation: Plug and play PackageList: 1 xFlash Drive 1 x Adapter 1 x Ring 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