1、USB CHARGING PORT: The controller is equipped with a USB charging port, so you can charge your phone anytime and anywhere to meet your various needs. 2、5P INTERFACE: The chair switch controller has a 5P interface, which is mainly used in electric sofas to control various functions of electric sofas. 3、ABS MATERIAL: The chair switch controller is made of ABS material, which is durable, wear resistant and corrosion resistant, and can be used for a long time. 4、EASY TO OPERATE: This recliner controller makes the operation of the electric sofa easier and more convenient, saving time and effort. 5、WIDE APPLICATION: This recliner controller is widely used in many situations, easy to install, such as bedroom, living room, office, hotel, etc.