Razer Viper Ultimate Mouse (RZ01-03050300-R3M1) - Form Factor: True-Ambidextrous, Razer Chroma RGB, Sensor: Optical, Max Speed IPS: 650, Programmable Buttons: 8, Size: Length x Grip Width x Height 4.99 inch x 2.27 inch x 1.49 inch, 126.73 mm x 57.6 mm x 37.81 mm, Weight: 0.16 lbs / 74 g, On Board Memory Profiles: 5, Battery Life: Up to 70 Hours, Connectivity: Razer Hyper Speed Wireless, Wired - Speed flex Cable, Color: Quartz