These joy cons are in full working order
This item comes boxed
There are no visible marks to the controllers but the box has wear and tear

Two Joy Con can be used independently in each hand, or together as 1 game controller when attached to the Joy Con grip
They can also attach to the main console for use in handheld mode, or be shared with friends to enjoy two player action in supported games
Each Joy Con has a full set of buttons and can act as a standalone controller, and each includes an accelerometer and gyro sensor, making independent left and right motion control possible