you can use it like a wireless mouse or a laser presenter.

Resolution:400/800/1200DPI adjustable,
Interface:USB
Control distance:10M
Charger Wrie: 0.8M/1M/1.2M
Radio frequency: 2.4GHz
Button Life: 3 million cycles
laser pointer distance: >100M (Tested to comply with Laser Safety Standards)
Multimedia Function:IE Home, Back, Forward, laser pointer ,DPI Loop (more Multimedia Function to select)
Battery:Build in rechargeable Battery
Product Dimensions: 173mm(H) x 18mm(D)
Product N.W.: 50g

It is tailored as a convenient handy-tool for presentations, teaching, meetings, speeches, training, computer aided design(CAD),browse the wed, and you can use it like a normal wireless mouse. It's very comfortable use it to control you PC.

Accurate motion estimation over a wide range of surfaces,even your skin or your clothes.