Sensor  DPI 50, 16400  DPI range 50 dpi - 16400 dpi  Sensor technology laser  Sensor model A9800  Polling rate 125/250/500/1000Hz  Tracking speed 150 ips  Connectivity  Connection type wired  Cable length main cable 180 cm  USB version 2.0  Connector type USB  Control  Grip type palm  Horizontal scrolling no  Controls left, right, dpi -, fire  Number of buttons 18  DPI button yes  Programmable buttons yes  Adjustable weight yes  Weights - number 8  Weights - size 2 g  Suitable surface non-reflective flat surface  Macro programming yes  Left-right handed use right-handed  Scroll wheel yes  Trackball no