Relieve or even prevent long-term repetitive stress injuries in your wrists and hands by using the right kind of mouse. This EW3236 ergonomic mouse by ewent fulfills this need, thanks to a clever vertical design that lets you work while reducing strain.Take care of both yourself and your work by using the ewent EW3156 an ergonomic mouse that helps to protect the long-term health of your hand and wrist. Innovative in its vertical design, the EW3156 allows you to keep your hand in a natural and comfortable position, therefore alleviating the symptoms of repetitive strain injury. Featuring a a high precision 1000 dpi optical sensor and 1.25 m cable long enough to reach a computer's back USB ports in most setups, the EW3156 is the perfect choice for use at home or in the office.