RAZER MAMBA TOURNAMENT EDITION: 16,000 Adjustable DPI - Ergonomic Form Factor - Chroma Enabled - Esports Gaming Mouse Boasting the worlds most precise 16,000 DPI gaming mouse sensor, the Razer Mamba Tournament Edition provides you with unsurpassable accuracy, so youll have an even greater edge over your competition ; 2.1 meter / 7 feet braided fiber USB cable With its ability to track up to 1 DPI increments and a lift-off cut-off distance as precise as 0.1 mm, the Razer Mamba Tournament Edition helps you to react instantaneously Designed for a natural hand position, the Razer Mamba boasts impressive ergonomics that reduce stress on your fingers when youre actuating buttons and eliminate unnecessary finger drag points Taking personalization to the next level, you can now illuminate the Razer Mamba Tournament Editions logo, scroll wheel, and side strips just the way you want. OS Support - Windows 10 / Windows 8 / Windows 7 / Mac OS X 10.8 - 10.11 With inter-device color synchronization, your Razer Chroma enabled Razer gaming weapons will always go together perfectly