<p><b>Design: </b>The design promotes healthy neutral handshake wrist and arm positions for smooth movement and less overall strain.</p> <p><b>More adjustment:</b>800/1200/2000/3200 DPI resolution. Optical tracking technology offers more sensitivity than traditional optical mice for smooth and precise tracking on a variety of surfaces.</p> <p><b>Useful side buttons:</b>The additional next and previous buttons provide convenience when surfing the Internet. The excellent choice for surfers, gamers and people who work on computers.</p> <p><b>No battery:</b>Plug-and-play mouse with USB 2.0 interface, easy to use with standard adjustment function. High-quality rubber surface gives a feel-good feeling</p> <p><b>BETTER FEELING:</b>The mouse is particularly light and the shape is suitable for all hand sizes, a real relief. The thumb rest and rubber coating provide more grip and comfort.</p>