Single armrest can be switched left and right: This design enhances the flexibility of placing the sofa bed. You can freely adjust the position of the armrest according to the layout of the room and personal needs, making it better adapt to different spatial environments. Equipped with a UPS charging port: It is convenient to charge electronic devices such as mobile phones and tablets while using the sofa bed. There is no need to worry about the inconvenience of the socket position, and it is especially suitable for use in places like the living room and bedroom. Equipped with a cup holder: It can hold water cups, beverages, etc., making them easy to access. This avoids items being knocked over when placed on the sofa bed, increasing the convenience and safety of use.