Welcome to our store! 1This flash drive memory uses a USB interface, no driver required, plug and play, very convenient. 2The product is small in size and easy to carry, you can easily take it wherever you go. 3Compact style and stylish shape make it an unforgettable gift for your loved one, friends, and even customers. 4Applicable to Windows 98/Me/2000/XP / OS X 9.x / OS X / Linux2.4.x systems. 5The USB2.0 U disk can be used for backing up files, videos, etc., very practical in your daily life. 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: Back 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 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 1 x U Disk 1 x Drawstring Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.