Wireless Presenter H2640 Mobile mouse

Function:
1) Laser pointer function,Page up / down function.
2) Turn off screen function
3) To play by hot key function
4) Remote technology: infrared ray technology
5) USB plug and play, no driver requested                                                                                                                                       6) Fixed focus, dot shape facula, continuous output and working time over 5,000 hours
7) Control distance: over 28M
8) OS: Windows 98 / 2000 / ME / XP system, for Word, Excel, PowerPoint, ACDSee, Website, Acrobat Reader files                                                                                                                                                         9)Wireless optical mouse                                                                                                                                           10)2.4GHz Fast RF                                                                   
11) Output wavelength: 650nm, Output power: 5mW
12) Working voltage: DC 3.0V, Trigger voltage: DC 2.3V
13) Working temperature: -10 ~ +40 typical value: 25 ,Storage temperature: -20 ~ +50 typical value: 25

Wireless presenter mouse H2640

wireless presenter,
wireless optical mouse;
usb flash disk;
page up and page down;
laser pointer function;