[Dual Connections: [USB 3.1 Flash Drive+USB 3.0 Flash Drive] - The usb type C (USB 3.1) interface of this usb flash drive can connect to the type C port of the computer or smartphone enabled the OTG function to transfer data, and the usb 3.0 interface to connect to usb type A devices in the computer to meet your needs in different occasions. [ Expand Storage Space ] - RAOYI 128GB USB 3.0 flash drive solves the problem perfectly insufficient memory space for your mobile phone with USB C port and OTG function avoiding deleting photos, videos, etc. It's necessary for your vacation and business trip Not for iPhone series, iPod, iPad: [High Speed Data Transfer] - This usb flash drive carries USB 3.0 interface and USB 3.1 to offer high transfer speed helping you to quickly copy external data, or read the data inside the USB flash drive, well saving a lot of time. [Wide Range of 'Usage] - U disk can work with desktop computer, laptop, macintosh, speakers, printer, car audio system, smart TV which has USB type A port and enables data transmission, or Huawei Matebook, Google Chromebook Pixel, New Macbook Pro, Smartphone Samsung, Huawei, OnePlus, Xiaomi which has a USB type C port.