"Rotative and sensitive to touch screen it's no end for surprise: into this little thing, there are as many as three variants wireless communication (Bluetooth, Wi-Fi 802.11b and three sphere module GSM/GPRS from Siemens), port USB and FireWire (two each), port Lan, modem, PC Card port, two exit audio and video ( VGA i TV)."
Wireless Presenter TRUST
Wireless optical trackball for precise remote control of your computer; the ideal input device for presentations, slideshows, etc.
With laser pointer, battery low indicator and controls for left and right mouseclicks, page up/page down and on/off
Advanced 2.4 GHz wireless frequency for a range of up to 20 meters
Automatically switches to energy saving mode after a fixed period of inactivity
Including compact USB receiver, wrist strap and protective carry bag
Automatic installation for Windows 98SE, ME, 2000, XP, 2003 and X64 (no driver needed