As the vehicle evolves into a self-driving vehicle, a 5G-connected car, the meaning of the space in the car gradually changes from driving to an infotainment space. It is a 3in1 car cup holder with a 1+1 cup holder that creates insufficient storage space in the car, a tray that can hold foods or necessary items and involves a wireless charging module.Because it is used in the car, it is a PP material that is durable against UV rays and heat. And an extension part that can control the height of the tray, an extra cup holder, a tray, 4 fixation rubbers that can control the cup holder size, C-type USB cable is included.In the market, in the case of car accessories are only functionally unified. This product is an unexplored product with 3 functions of cup holder extension, tray, and wireless charging.