◆ Ergonomic Design: This mouse fits for you comfortably under your palm and you will not feel tired during a long time using. ◆ 7 buttons for more convenient game operations and you can set buttons function through the driver software freely. ◆ 8 levels of adjustable DPI provides precise positioning and helps you win the game. ◆ Cool LED lighting effect, which will decorate the gaming combat atmosphere and bring you a vivid gaming experience. ◆ Professional gaming mouse with 180cm USB cable, plug and play. ◆ Built-in removable 4pcs counter weight modules, and you can adjust the weight freely. ◆ System requirement: for Win XP/Win7/Win8/Win10/Vista, or for IOS or latest.