Rise to new heights and get the sleep you’ve always dreamed of with the various sizes power base offering adjustable head and foot positioning. Adjust the mattress to eliminate pressure points for a comfortable sleep. Raise your legs to increase blood circulation and relieve pressure on your lower back. Raise your upper body too and sit up in bed for better breathing, essential for those who snore or experience acid reflux. Two USB ports are available for connecting electronics’what a plus for convenience. Head-Foot - Black - Queen Adjustable Base - Head & Foot 59.0"W x 79.0"D x 15.0"H - 139.0 lb Head-Foot - Black - King Adjustable Base - Model Good 75.0"W x 79.0"D x 15.0"H - 189.0 lb Head-Foot - Black - Cal King Adjustable Base - Head & Foot 71.0"W x 83.0"D x 15.0"H - 188.0 lb