Product Description Razer Mamba 2012 Elite Ergonomic Gaming Mouse : RZ01-00120400-R3G1 The new Razer Mamba returns with an ultra-precise 4G Dual Sensor System, that makes use of both a laser and an optical sensor to enhance tracking precision by calibrating to different surfaces and allowing adjustment of liftoff tracking distance. With up to 15% improved battery life for more untethered gaming enjoyment, a new multicolored LED for personalization, and outfitted with an industry-leading gaming grade wireless technology, the Razer Mamba is still in a league of its own. Model Manufacturer Razer Model Number Mamba 2012 Specification Connection USB Sensor 6400dpi 4G Dual Sensor System Buttons 7 Programmable Scroll Wheel Up / Down Click Handed Ambidextrous Features Gaming Grade Wireless Technology Dual Mode Wired / Wireless Technology 1000Hz Ultrapolling / 1ms Response Time Multi Colour Lighting Up to 200 Inches Per Second Package Contents 1 x Razer Mamba 2012 Charging Dock USB Cable Driver Disc Status: IN STOCK Weight: 1.20 kgs Mnfctr Code RZ01-00120400-R3G1 Manufacturer Razer