Hall Effect Joysticks,Upgraded. Durable and long-lasting. Offering higher precision and sensitivity. Uninterrupted 2.4G Connection,The signal extension ensures robust connectivity, offering you an unrivaled gaming journey. Ultimate 2.4g features two Pro-level back buttons. These buttons give you more control so you don't have to take your thumbs off the thumbsticks. With 8BitDo Ultimate Software you can assign any button function and macros, too. Ultimate Software 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 with the custom profile switch.