High-Speed Data: Sync movies, music, and more in seconds with a 5 Gbps transfer speed. Incredible Expansion: Instantly transform any devices USB-C port into USB 3.0, for unmatched compatibility. Perfect Portability: With a body about the size of a quarter, to take absolutely anywhere. Superior Durability: Plug in again and again, with a state-of-the-art design that resists damage. 18 MONTH WARRANTY - Exclusive Benfei Unconditional 18-month Warranty ensures long-time satisfaction of your purchase; Friendly and easy-to-reach customer service to solve your problems timely