With a USB type C connector and a USB 3.1 connector, the USB C memory stick lets you quickly transfer files between smartphones, tablets and computers Type C 3.1 interface, support for MacBook, no need to distinguish front and back High-speed reading and writing, high-efficiency transmission of massive data The rotating memory stick is made of high-quality zinc alloy casing for durability. Splashproof, shockproof and dustproof Easy to carry and you hang it on a keychain and use it at any time you want Specifications: Material: Zinc Alloy Chip: UDP Interface: USB 3.1, USB 3.0 Read: 120-140MB/S, Write: 10-30MB/S Supported System: Win XP/7/8/10, Linux 2.4.X., Mac OS 9.X and above Size: 34*12*7.8mm Package included: 1 x USB Flash Drive 1 x English and Chinese User Manual Other things not included