Dual Unit: USB C + USB 3.1: Perfectly equipped with a USB-C port and a USB-A/USB 3.1 port, allowing dual connectors USB flash drive to transfer data between smartphone/tablet and computer more easily. Free up space instantly or move photos or videos on your phone, tablet, MacBook, Windows computer, speaker system, smart-TV, and more. USB 3.1 Read Speed: Up to 30 MB/s (write speed is lower and varies depending on capacity). No more waiting for long periods when transferring files, music, photos, or videos. No need to install any software or app for the dual flash drive. Plug and play, easy to use. Robust and Durable: The housing is made of premium zinc alloy, making the Type-C flash drive extremely robust and durable. It has better water resistance, durability, and quick heat dissipation performance than plastic housing. 360° Rotating Design: 2-in-1 dual USB flash drive with the innovative 360° rotating design featuring anti-loss clamping and 90° fixed point design prevents the device from rotating randomly. You can hang the USB C flash drive on a chain with the humanized hanging loop.