This unique mouse is a "Snail" design - gripped vertically it avoids the repetitive finger and wrist movements that can cause RSI and similar strains. 

Three versions are available: 

Symphony version has RGB Light and 5 DPI speeds to choose from

Innocence version has blue light and 3 DPI speeds to choose from

Standard version has no light and 3 DPI speeds to choose from

Connection method: USB cable
Five-speed DPI: 800/1200/1600/2400/4000
Lighting settings: RGB streamer, bottom switch off