Razer PRO CLICK Humanscale Ergonomic Wireless & Wired Mouse For Productivity (RZ01-02990100-R3M1)

4 GHz) Mechanical Switch with 50 million button life cycle Multi-host connection for up to 4 devices Tech Specs Razer™ 5G Advanced Optical Sensor with true 16,000 DPI Up to 450 inches per second (IPS) / 40 G acceleration 1000 Hz polling rate Mechanical Switch with 50 million button life cycle Tilt-click scroll wheel Ergonomic design (co-designed with Humanscale – world’s premier expert in office ergonomics) 8 independently programmable buttons Onboard DPI storage (up to 5 DPI stages) Multi-host connection for up to 4 devices Battery Life: Up to 400 hours (on BT) and up 200 hours (on 2!