Specifications:

Size: 85*52*32mm

Resolution:800DPI

Key life over 1,000,000 times

Interface:USB,PS/2,U+P

Rating:5V~50mA

Multimedia keys including volume up and down , page up and down, play and pause

Precision optical sensor.works on most surfaces.

 Wheel scrolling technique. Scroll up and down at will.

Comfortable sense of clicking . fingers are tireless for hours of use.

Sleek and smooth.for both right and left hand operation.multi-color support.

Full-function three button mouse with easy scroll/zoom wheell wheel/Works

For the laser solution, press the right, left and middle button for 5 seconds to shift the DPI from 800,1200, 1600, 2000. 

Packing information:

MEAS:50*43*27.5CM  G.W./N.W.: 12.5/11.5KKGS QTY: 100PCS/ctn