Quick mode Switch at the back, no need for combination buttons to power on. Extra 2 pro-level back buttons which can be easily remapped or profiled via ultimate software. A dedicated profile button with corresponding indicator lights. Up to 3 sets of profiles can be saved in the controller.optimized grips to be more comfortable. It gives you Elite control over every piece of your controller: customize button mapping, adjust stick & trigger sensitivity, vibration control and create macros with any button combination. Create controller profiles and Switch between them at any time. A quick mapping button for buttons you would like to swap. With ultimate app on mobile, you can customize your controller in game play..20 hour rechargeable battery pack.