[What You Get] --- 1x 128GB USB 3.1 Flash Drive, 24 Months Warranty, 30 Days Money Back Guarantee and Friendly Customer Service. Please feel free to contact us if you have any questions about the memory stick. [Strong Compatibility] --- The USB 3.1 thumb drive is compatible with USB 3.0, USB 2.0, and below. No driver to install, plug and play, works seamlessly with Windows, Linux, Android, and Mac OS. [Tough & Durable] --- Slide-in/out design protects the flash drive when not in use, and all-metal cg provides enhanced safety and durability. Easy to attach to your keychain or backpack via the lanyard hole to take along. [Excellent Performance] --- This USB drive using Grade-A flash chips combines the fast speed of a solid state drive and the portability of a thumb drive, dustproof, shockproof, and temperature-proof for work, creation, and play. [High-Speed Transmission] --- This USB flash drive utilizes the latest USB 3.1 Gen 2 standard to greatly increase the read and write speed up to 400MB/s and 240MB/s, transferring a 2GB UHD video to your pc in seconds.