Razer Mamba Rechargeable Wireless PC Gaming Mouse (2012) It has up to 200 inches per second/ 50g acceleration It has multi-color lighting It has 4G Dual Sensor System It has Gaming-Grade wireless technology It has improved battery life and charging dock Gaming-Grade Wireless Technology 4G Dual Sensor System Improved Battery Life and Charging Dock Multi-Color Lighting Up to 200 inches per second/ 50g acceleration