DX-110- Smooth and comfortable touch feel- Suitable for either hand- Windows and MacOS compatibleAvailable in 5 different colours- Ocean Blue- Spring Green- Elegent White- Passion Red- Calm BlackConnectionUSBSensor EngineOpticalResolution1000 DPICable Length1.5mNumber of Buttons3 (left, right, middle button with scroll)ColourCalm BlackSystem requirementsWindows 7 / 8 / 8.1 / 10Mac OS 10.7.4 or laterUSB PortDimensions ( W x H x D )60 x 105 x 37 mmWeight85 g