A4tech G3-300N V-Track Wireless Mouse

2.4G wireless technology, working distance up to 15 meters 1000DPI high resolution optical mouse Ergonomic Design, long time use without feeling of fatigue 5mm^2 Needle optical, dustproof scroll, energy-saving technology Arc design fit your palm perfectly, better grip, easy operation, comfortable handing Come with Nano receiver Specification: 2 buttons and one scroll wheel Interface:USB High resolution: 1000dpi Mains switch Receiver storage bin Batteries:AA x 1(NOT Included) Rated Working Voltage: 1.5V Weight:60g Receiver Weight:2g Dimension:99x 37.3x 60mm Receiver Dimension:18x 7x 15mm Warrenty: 1 Year