Features:
-- USB plug and play

-- Portable-Mini USB receiver snaps into the bottom of presenter to prevent loss

-- Compatible with USB V1.1/V2.0

-- Multimedia functions (e.g. 'M1'-after open the Windows Med in Player, you can "PLAY", "STOP", "VOICE UP/DOWN"; 'M2'-page up/page down)

--USB Mouse function

> 2.4GHz- workable distance is about 10 meters

> High dpi resolution-Remote control mouse

--Laser pointer

--Page up--and--down function (especially useful for PowerPoint/ PDF presentation)

--(Optional) USB flash disk storage

--Operating systems: MS Windows 2000, XP, Vista, Win 7 compatible

1pc/Gift box                              
100pcs/ctn                       
CTN  MEAS: 42*33*35cm
N.W.: 18kgs / G.W.:19.4kgs