1、This flash drive memory adopt USB interface, no drive required, plug and play 2、The product have small size and easy to carry, you can easily carry wherever you go 3、Compact style and stylish shape, whihc is an unforgettable gift for your beloved, friends and even customers 4、Applicable for Winxp/7/8/10 / Vista / Linux4 / OS X 9.0 and above system, etc. 5、The USB0 U disk can be used for backup files, videos, etc., very practical and useful Item Type: U DiskApplicable system for Winxp/7/8/10 / Vista / Linux 2.4 / OS X 9.0 and above, etc.Interface: USB 2.0Maximum Writing Speed: 25mb/sMaximum Reading Speed: 13mb/sApplication: Backup files, videos, etc.The displayed capacity is different from the nominal capacity because the calculation method is differentManufacturer Standard: 1GB / 1000MB / 1MB = 1000KBRegarding Usable Capacity: Please Note the Memorandum Regarding Storage Product Capacity: 4GB=approximately 3.4GB- 3.8GB8GB=approximately 7.4GB- 7.6GB16GB=approximately 14.5GB- 15.5GB32GB=approximately 28GB-30GB64GB=approximately 58GB-60GB128GB=approximately 119GB-124GB256GB=approximately 249GB-250GB512GB=approximately 498GB-500GB