Charge While Playing: Charge via the included USB-C cable to continue playing games while charging. Don't waste a second, charge your controllers when you need them. Charges both left and right controllers at high speed at the same time, and is compatible with standard C-port power supplies or the original Nintendo Switch charger adapter.Visual Charging Indication: Clear indication when fully charged. LED charging indicator changes from red to green when fully charged. Automatically reconfigures and charges controllers.Slide In and Lock Your Gamepad: Easy to slide in and lock design. Ensures that the controller is not scratched and stays in place.Ergonomic: Combines left and right controllers into one, comfortable to hold and slightly larger. Lightweight and easy to carry. Ergonomic design and flush back helps to rest your palm and index finger while gaming, no soreness even after long hours of use, great tactile feel. Bring you a better handheld experience.Precision Opening: The inline precision connector socket developed specifically for Joy-Con charging is durable and reassuring.