With the Hybrid 1200 king mattress and adjustable base set, you have endless possibilities for restful sleep. Feel the support of a truly traditional coil mattress which contours to your body for a comforting feel. High-density foam provides the firmness you love. Gel memory foam provides restorative support for your lower back. By pairing the mattress with the power base's adjustable head and foot positioning, you can get the sleep you’ve always dreamed of. Adjust the mattress to eliminate pressure points for a comfortable rest. Two convenient USB ports are available for connecting electronics.