Features: brand new and high quality Lightweight and easy to carry. Hot plug & for play USB device. Fully for USB specification version 3.0/2.0. Designed with 4-port,,this compact USB3.0/2.0 high-speed hub is small enough for travel,and cable enough to meet your connectivity needs. for Windows XP/2000/Vista/WIN 7/8/10,for Mac OS,etc. Specifications: Item Name: USB Hub Material: Aluminum alloy Product color: silver Indicator light: blue USB Type: USB 2.0 /USB 3.0 USB Ports: 4 USB Ports Date Transfer Rate: USB 2.0 Up to 480mbps /USB 3.0 Up to 5Gbps Cable Length: approx. 60cm/23.62in Size: approx. 92x30x17mm/36.22x11.81x6.69in Package Includes: 1PC x 4 Ports USB Hub note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!