Tempur Ergo Smart Twin Xl Adjustable Base raises your Twin XL mattress to multiple head and foot positions so you can customize comfort for reading, watching TV, or sleeping. The metal frame and stable leg system provide reliable support and keep the mattress secure, while smart features and integrated USB ports make it easy to charge devices and program favorite positions. Made in the USA, this adjustable base is designed to simplify nightly routines and help reduce pressure with a zero gravity preset for balanced support.