SteelSeries Sensei Wireless Laser Gaming Mouse Double sensitivity Adjustable lift distance Connectivity Technology: Wireless, wired - USB, 2.4 GHz Cutting edge laser sensor - Superior Performance Exact features - Aim, Accel, Lift, Snapping Optimal Ergonomic Design Illumination color, intensity and pulsation effects SteelSeries switches &gt;30 million clicks lifecycle 8 programmable buttons (incl. CPI) Onboard profile stored on mouse Illuminated aluminum charging base