Description: USB 2.0 up to 480Mbps transmission rate, down to Twist USB1.1 about 12Mbps transmission rate Line length 130CM, can extend the USB interface from the chassis to the desktop, to facilitate you to connect any USB device on the desktop USB bus directly take power, no external power supply Support hot swap, no need to install another driver Support for Windows and Mac system Specification: Top diameter:70mm bottom diameter: 59mm Package Includes: 1Piece 3Port USB 2.0 HUB
