features its seven programmable buttons and 4 levels of adjustable DPI, the maximum up to 4000DPI. It can satisfy your speed demand towards different games and make your operation more flexible. This professional gaming mouse also can adjust its height of the back arch and palm rest is replaceable. It will bring you much convenience and fun.Features:4 levels of DPI: 1000-2000-3000-4000 DPI can be set quickly to satisfy your speed demand towards different games.Detachable Palm Rest: With gaming palm rest and standard palm rest, easy to replace, meet your different needs.Mouse Counterweight Tunning: 4 removable weighting blocks enables you to freely adjust the mouse weight.Adjustable Height Design: You can change the mouse back slope through the height adjust knob up to your preference.LED Breathing Lights: LED breathing lights provides dazzle ambient light and enhances the gaming atmosphere.USB Wired Mouse: USB interface and anti-interference magnet ring ensures more stable data feedback and greater durability.System Requirement: Compatible with for Windows XP / Win 7 / Win 8 and for iOS. Plug and play.