Ergonomic Wireless Mouse with USB Charger and high precision 1600DPI tracking. Relieve your hand， wrist， and arm pain today thanks to this revolutionary mouse! Common problems occurring after repeated use of a standard mouse are hand and wrist pains， sometimes even running up the forearm. If ignored， these symptoms can cause serious pains and Repetitive Stress Injuries (RSI). TheErgomouse is made to combat this discomfort by moving your hand and arm into a more natural position， which is more comfortable for regular use. Easy to install and easy to use， the Ergois extremely precise and gives you ultimate control over your cursor. The Wireless mouse connects to your PC through a small USB dongle， is good to use up to 10 meters distance from your PC， and the included rechargeable AAA batteries can be recharged using the provided USB charging cable. Giving you all the features of a regular mouse but with improved ergonomics， the Ergois perfect for daily use in the office or at home.