<p><b>Specifications</b></p><ul><li><strong>Mfr Part Number: </strong>A50</li><li><strong>Features:</strong><ul><li>For use on the desktop and in the air</li><li>Taking the lead in 3D gyro technology - 360 degrees</li><li>Ergonomic Design - Specially designed for finger positioning recesses so it is easy to grip in the air</li><li>79 channels in hopping, with 2 group from 2.400GHz-2.4853GHz</li><li>Multifunctional distance remote control for enjoying family multimedia entertainment</li><li>Easily adjust volume and DPI</li><li>Gold-plated mini-receiver</li><li>Excellent package design</li></ul></li><li><strong>Buttons: </strong>8</li><li><strong>Operation Range: </strong>30 feet</li><li><strong>Resolutions:</strong> 800 / 1600 DPI</li><li><strong>Compatibility: </strong>Windows 98/ 2000/ XP/ ME/ VISTA/ 7/ 8/ Mac OS</li><li><strong>Color: </strong>Black</li><li><strong>Dimensions:</strong> 4.7 x 2.1 x 1.2 inch</li><li><strong>Weight of Mouse and Package: </strong>0.597 lbs</li><li><strong>2x AAA Alkaline Batteries (Included)</strong></li></ul>