USB2.0 Flash Drive High Speed Transmission Cute Cartoon Memory Stick with Adapter for Android(Dark Gray 32G) Item Type: U Disk Material: Metal Color: Dark Gray No driver (above for Windows98), support for Windows 98/for Me/2000/XP, for OS 9.x/OS X and for Linux2.4.x; Interface: USB2.0 Computer: for IBM PC, for OS X PC or laptop, etc.; Speed: The maximum writing speed is 4-10mb/s, the maximum reading speed is 10-20mb/s Application: Backup files, videos, etc. How e: Plug and play The display capacity is different from the nominal capacity, because the calculation method is different, the manufacturer's 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