Logitech’s all-terrain V400
mouse has a pair of lasers instead of the traditional single laser offers pixel-precise tracking on any surface by detecting microscopic surface variations. Similar to the Microsoft Notebook Wireless Mouse, tts 2.4GHz USB receiver can be packed inside the mouse itself when not in use. The tilting scroll wheel comes with zoom functions and forward/back buttons that are fully programmable. The V400 Dual Laser Notebook Mouse retails for $49.99.