1、There is a built‑in breathing light in the tail. When connected to the device, it will emit colorful light and will slowly change, which is very beautiful. 2、USB0 high‑speed transmission, easy to read and high‑speed reading, no drive/power supply, just plug in. 3、Full suitable for Windows/OS X/Linux system computers, and can also support smart TVs with OTG functions, TV boxes, routers and most mobile phones. 4、With 8GB / 16GB / 32GB / 64GB / 128GB multiple capacity specifications to choose from, can meet different needs. 5、Small size, easy to carry and store, convenient to use and with good performance. 1 x U Disk Item Type: U DiskUSB: Compatible with USB 1.1/ 2.0Compatible System: Support for Windows 10/7/8/98/Me/2000/XP/Vista/Linux 2.4/OS X 9.0 and higher and other computer operating systemsSpeed: Average write speed 15-20MB/secSpeed: Average read 5-9MB/sec