Ultra-fast Transfer Speed - The Type-C USB 3.0 flash drive provides up to 100-130MB/s of read speed and 60-80MB/s of write speed, which is much faster than standard USB 2.0 flash drive; It allows you to transfer a HD movie within 30 seconds, and can greatly save your time while transferring big files and improve your working efficiency Dual Connectors - The flash drive has two connectors, type C and USB 3.0, which allows you to expand capacity for the smart phones and free their memory. Its convenient for you to transfer data between smart phones, tablets and computers without using WiFi and cloud service Compact & Waterproof - The metal-made flash drive is very small, just a little bigger than your thumb nail, looks cute and its convenient for you to attach on key ring; It features water resistant, if it accidentally falls into the water, it still can work when removing it from water and drying it immediately Wide Compatibility & Application - Plug in smart phone and directly read data, no need to install software, supports all kinds of PC and type-C devices that feature OTG function, and makes you not feeling boring at the trip, especially great for travelers, photographers, office workers, students etc