Mid-size wireless mouse matches natural hand curvature to maximize comfort during prolonged use. Soft rubber panels and contoured buttons maintain comfort and grip. High-definition optical sensor (1750 dpi) delivers smooth cursor control and precise tracking. Secure 2.4Ghz wireless technology reduces risk of interference and is ideal for clutter-free office environments. Clickable scroll wheel is ideal for speeding through documents. Back and forward web browser navigation reduces time required