Multi-function ergonomic controller with USB connection - Brand: 3Dconnexion - Connection Type: USB - Function: Multi-function controller - Design: Ergonomic design - Rotating Knob: Equipped Used in a non-smoking workspace. It shows signs of use, but is in relatively good condition. One of the anti-slip pads on the bottom is missing and easily comes off. Please refrain from purchasing if you are concerned. Operation confirmed during work. Please download the software. Due to being a one-of-a-kind item, no claims or returns are accepted. Thank you for viewing.