Compact optical 6-button wireless mouse with nano receiver for particularly precise control. The ultra-small USB receiver is suitable for permanent integration into a notebook or PC. 2.4 GHz radio technology for reliable, interference-free and fast signal transmission up to a range of 8 m. Smart-Link technology for easy setup. Switchable sensitivity between 800, 1200 and 1600 dpi. Polymer-coated glide pads ensure smooth mouse movement and trouble-free operation. Rubberized scroll wheel. Weight: 80 g. Battery type: AAA Micro.