<ul><li>Brand: Altec Lansing</li><li>Model: ALBM7403</li><li>Color: Black</li><li>Specifications:</li><li>Type: 2.4Ghz Wireless</li><li>Interface Type: USB</li><li>1x AAA Battery</li><li>Power Type: Battery</li><li>Number of Rollers: 1</li><li>Number of Buttons: 4</li><li>Application: Desktop</li><li>DPI: 1000, 1600, 2000</li><li>Hand Orientation: Right</li><li>Backlit: LED</li><li>Ergonomics: Yes</li><li>Interface type: Wireless</li><li>Features:</li><li>DPI Switch</li><li>Optical Sensor</li><li>Power Switch</li><li>USB Receiver</li><li>3D Scroll Wheel</li></ul>