Promate 1600DPI MaxComfort Ergonomic 2.4G Wireless Mouse - Tracker

Wireless Range: 7-10m, Sensor Resolution: 800/1200/1600 dpi, Battery: 1 x AA battery, Frequency: 2405-2475MHz, Rating: 3.7V, 1.5A, Precision Tracking: Move your cursor through every screen with optimum accuracy using the high-grade optical sensor with adjustable DPI controls up to 1600 dpi, Seamless Connectivity: High-speed transmission sans the drops as Tracker features advanced 2.4G wireless connectivity, Ergonomic Construction: Tracker’s design allows you to work for extended periods with a confident grip and ultimate comfort, Optimum Performance: Simply connect the nano USB receiver to enjoy a lag-free, high-grade wireless performance, Nano Receiver: The tiny receiver stays in your notebook or desktop without affecting other USB ports