ThinkPad Travel Mouse 31P7410 The portable, ambidextrous ThinkPad Travel Mouse is perfect for anyone looking for a compact mouse to use everyday or while on-the-go. Features Exclusively contoured for both right and left-handed usage Unique soft-touch finish offers the ultimate in all-day comfort High definition 800 dpi optical sensor delivers accurate and precise control Programmable buttons to adapt to the way you work Plug-and-play convenience; connect via USB or PS/2 Compact, lightweight design makes this mouse ideal for the mobile traveler, No mechanical ball to get dusty, dirty or stolen, No mouse pad required! Works on many types of surfaces Specifications:Standard features Mouse Optical Travel Pointing Device Type Optical Travel Mice/Input Devices Cable Length 1.2 Meters Color Raven Black Connector Style PS/2 6-Pin mini-DIN/USB Combo Number of Buttons 3 Pointing Device Resolution 800 DPI Pointing Device Type Optical Travel Environmental Information Maximum Operating YYYY 80 % Maximum Operating Temperature 40 C Minimum Operating HumidityXXX 8 % Minimum Operating Temperature 0 C Architecture Depth Metric 96 mm Height Metric 32 mm Height US 1.25 in Weight Metric[2] 0.094 Kg Weight US[2] 0.2 lbs Width Metric 54 mm Width US 2.13 in