Welcome to our store! This flash drive memory uses a USB interface, no driver required, plug and play, very convenient to use. The product is small in size and easy to carry, you can easily take it wherever you go. Compact style and stylish shape, making it an unforgettable gift for your loved one, friends, and even clients. Applicable system for Windows 98/Me/2000/XP / OS X 9.x / OS X / Linux2.4.x This USB2.0 car U disk can be used for backing up files, videos, etc., very practical. Item Type: U Disk No driver required (for Windows98 and later) Applicable system for Windows 98/Me/2000/XP / OS X 9.x / OS X / Linux2.4.x Interface: USB2.0 Computer: For IBM PC/OS X PC or laptop, etc. Maximum write speed: 20mb/s Maximum read speed: 40mb/s Usage: Backing up files, videos, etc. Usage steps: Plug and play The displayed capacity differs from the nominal capacity because the calculation method is different Manufacturer standard: 1GB / 1000MB / 1MB = 1000KB Regarding usable capacity: Please note the memorandum regarding the storage product's 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 1 x U Disk 1 x Drawstring Customers are our top priority. If you find any problems with your product after you have received it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.