Type: USB Hub 3.0 with 4 high-speed ports. Compatibility: Works with Win95 OSR2/98SE/Me/2000/XP/VISTA, Linux2.4, os8.5 and above Design: Compact and portable with an ergonomic design, featuring an indicator light and an on/off switch. Operating Conditions: Operates within 0 - 70 Degrees Centigrade; storage temperature ranges from 10 - 90 Degrees Centigrade. Dimensions: Cable length of 10.4cm, ideal for desktop and travel use. Experience seamless connectivity and enhanced productivity with our easy-to-use, plug-and-play USB hub, designed for a wide range of devices and operating systems. Color: Silver Material: Metal Package Contents: 2 * USB Hub Only the above package content, other products are not included. 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.