100% brand new and high quality USB3.0 high-speed transmission, light and portable, speed up to 70%, efficient reading, stable and safe. Metal body, sturdy and durable, cap protection, hanging ring to prevent loss. It is widely compatible with most USB ports such as computers, tablets, printers, and vehicles. It adopts the original high-quality particles, A+ grade chip, USB3.1 high-speed interface to quickly transfer files, saves worry and effort, and is backward compatible with USB2.0 interface. Plug and play, simple and convenient. Lightweight and portable, you can easily carry it with you. 128GB/256GB, you can choose according to your needs. 1x U Disk Material:ABS Size: Approx.8x2.1x0.9cm/3.14x0.82x0.35inches Color:Black/White Capacity:128GB/256GB Data transfer rate: 200 (MB/s) Maximum reading speed: 300 (MB/s) Maximum writing speed: 100 (MB/s) Interface: USB 3.1 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.