Functional side-buttons
Comfortable Rubber Scrool Button
Ergonomic excellent feels
Adjustable weight system
Plug and play

Special Feature: Ergonomic contour, excellemt feels, motion sensor for wide range of surfaces

Ewsolution: DPI 500-1000-1600

Buttons:5D buttons with 5 Multi-function side buttons

Button life: >2,500,000 times

Cable: USB 150cm

Size: 104*73*40cm

Color: Black silver blue