DSI 2.4 GHz Optical Trackball PC Computer Remote Control RM-518

Specifications:

Size: 178 x 50 x 32mm
Trackball: 19mm Optical, 800 DPI 
Bounce Time: less than 10msec
Microsoft Windows XP MCE/ Vista Compatible

The PC remote comes with a handy 800dpi optical trackball and mouse buttons built right into it.  Therefore, you can turn off the TV program that is broadcasting in the living room from the kitchen;  you can sit on the balcony but choose the music that is broadcasting in the living room; Switch the program, surf the Internet or E-mail all of them.  Just use the small convenient wireless remote control that is integrated with your wireless keyboard.  Gaming, controlling your devices and working from your keyboard just became much more convenient.

Features:

2.4 Ghz radio frequency
Effective working range: 10 meters (subject to environment)
360-degree navigation, sleek and elegant design
KEY: Including 45 hot-keys & 2 mouse keys
USB Remote interface
RF technology frees you from cables
2-AA batteries included
Non-skid rubber feet
PAW3201DH Low Power CMOS Optical Mouse Sensor
MCE Keys: My Music, My Videos, My Pictures, My TV, Guide, Live TV, Recorded TV, DVD Menu.