3 buttons including scroll wheel button. Standard vertical scroll wheel. Optical tracking system. Comfortable in either hand. Customisable Buttons. Colour: White. Interface: USB. Imaging rate: Up to 3000 frames per second.

Classically designed wireless keyboard, with a pillow-textured palm rest for support and comfort. Mouse: wireless, full-size, enhanced side grips, four-way scrolling and BlueTrack technology.

Microsoft Wireless Desktop 3000 Keyboard & Mouse. Mouse: BlueTrack Technology: combines the power of optical with the precision of laser for remarkable tracking on virtually any surface.

Microsoft Wireless Mobile Mouse 3000. LED Optical Technology. Wireless Mouse with USB 2.4GHz Nano Transceiver, 15 feet/5 meters typical range. Battery Status Indicator. On/Off Button. 3 buttons including scroll wheel button. 10 Month Battery Life.

Microsoft Optical Mouse 200. 3 buttons including scroll wheel button. Microsoft optical technology. Ambidextrous: for left or right hand use. USB.

USB. BlueTrack Technology. Rubber side grips. Suitable for use in left or right hand. Dust-resistant design. 5 Customisable Buttons. Tilt Wheel : Scroll horizontally and vertically.

BlueTrack Technology. 3 buttons including scroll wheel button. Snap-in receiver turns mouse off, conserving battery life. USB Nano Transceiver (2.4GHz Wireless) - USB. On/Off Switch. Comfortable in either hand. Colour: Magenta Pink Gloss.