Supports hot plug & play, High speed for interface/Type-C/Micro-type/USB3.0 port .<br> No physical drive required<br> Plug-and-play; no external power supply required, USB bus-powered<br> Support all current computer systems<br> speeds vary depending on types of file being transferred and computer configuration.<br> Interface USB 3.0<br> Excellent USB Memory stick in excellent condition<br> Operating temperature: -10 to +55 degrees Celsius<br> Storage temperature: -20 to +55 degrees Celsius<br> Life: times<br> About capacity:<br> 256GB=approximately 220.0GB-240.0GB<br> Vendors are using Flash memory decimal arithmetic: 1 MB = 1000KB, 1G = 1000 MB<br> Calculated, with binary arithmetic: 1 MB = 1024KB, 1 GB = 1024 MB;<br> So there are some differences between display capacity and nominal capacity of flash memory products<br> Attention:<br> To avoid data loss or mechanical damage, do not power down your computer or unplug flash disk during transfer.<br> Please do not remove your USB flash drive when it is being used otherwise your datamay loss.<br> After using USB flash drive, it is better to remove it from device as soon as possible. That willhelps to extend its storage .<br> Please do not format your USB flash drive frequently, otherwise the USB bedamaged easily.<br> Color: Silver<br> Material: Metal<br> Package Contents:<br> 1 * Rotating 4-in-1 USB flash drive<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.