Razer Mamba Tournament Edition Chroma Ergonomic Wired Gaming Mouse RZ01-01370100 (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear and includes all original accessories plus a 90-day warranty Ergonomic right-handed design with textured rubber side grips - Chroma lighting with true 16.8 million customizable color options Inter-device color synchronization - Nine independently programmable buttons with tilt-click scroll wheel 16,000 DPI 5G laser sensor - Up to 210 inches per second / 50 G acceleration