The USB 2.0 Manual Switch allows users to share a USB 2.0 or USB 1.1 device between two computers via a manual push button switch. Using plug-and-play the switch requires no drivers or additional power. Unlike most switches available this device is compatible with most USB devices but it is recommended that drivers for the device you are using should be installed first before connection. Specification 2x PC ssharing 1x USB 2.0 device Full compliance with the USB Specification V2.0 & V1.1 1x USB 2.0 Downstream port (Type A Female) 2x USB 2.0 Upstream Ports (Type B Female) Controls: Manual Switch LED: 2x (green) Indicates working port Easy Installation & Operation Supports USB Plug & Play Dimensions: 42 x 50 x 25mm (L x W x H) Weight: 35g Housing: Plastic