This phone holder is designed for motorcycles and electric vehicles. It is made of PC material and has a quick mount feature. The product includes a phone holder, adapter, and elastic rubber rings. It is lightweight, weighing only 60g, and has a size of 56*45*32.5MM. The phone holder is easy to install and use, and it is suitable for various phone models. Please note that the adapter should be stuck to the center of the phone case, not directly to the phone.