Features:
This is a truly ergonomic mouse，vertical design，natural stretch of the wrist; arched back combined
With curved mouse ring design，contoured to hand in most natural state，to reduce hand fatigue
Ergonomically design，ease the harm of For palm joint or muscle for long-time using mouse
Tested to comply with FCC standars
2400 DPI resolution available
For home or office use

Specifications:
Diension:Approx 4.0x3.2x3.15 inch/102x82x80mm
Cable Length:Approx.4.76 feet/1450mm
Color: black， black & blue， black & purple， black & silver grey 
Compatible with:
For IBM/For PC/For AT/For XT/386/486/For PENTIUM
For DOS，For WIN95/For 98/2000/For ME/For XP/For NT
Net weight: 100g

Package Includes:
1 x Optical Mouse