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 to complete web browser tasks. Nano Wireless USB receiver stores inside mouse battery compartment when traveling so it's ideal for mobile professionals. Reliable plug-and-play operation with USB connection is designed for use in Windows and Chrome OS. Professional, black and blue corporate finish complements Pro Fit keyboards. Low-battery indicator shows when batteries need to be replaced.