Welcome to the store! 1. Class A chip supports repeated erasure up to 1,000,000 times. Thus, you can use it for a long time. 2. Regarding the operating system, it's for Windows 98/2000/XP/Vista/7/8/10/Mac OS 9.X/Linux 2.4 or higher. 3. Equipped with a 360-degree rotation design, small and portable, the USB drive features high-speed USB 3.0 data transfer performance. 4. Compact, plug and play, driver needs to be installed, and the USB drive has a rotating metal design for connector protection. 5. With a 10 Mb/s – 20 Mb/s write speed, the performance of such a USB drive depends on the different operating systems available and the different flash memories used, so the speed may vary. Item Type: USB drive Color: Silver Housing: Metal Interface: USB Capacity: 8GB/16GB/32GB/64GB/128GB/256GB (Optional) 1 x USB drive Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!