This is the main unit that I've been using for several years. Left Joy-Con: * Sometimes it doesn't respond even when attached. * The joystick moves on its own without being operated. Right Joy-Con: * The R button is difficult to press. Please understand that these issues exist. Nintendo Gray Joy-Cons, characterized by their analog sticks and button layout. - Color: Gray - Button Layout: A/B/X/Y buttons, D-pad, analog sticks - Manufacturer: Nintendo - Type: Joy-Con Thank you for viewing.