The Cozzia Qi SE CZ-710 is a 4D L-Track smart massage chair that combines cutting-edge technology and imaginative design to provide you with world-class relaxation. Features in the CZ-710 include advanced 4D Humanlike VarioMotion Mechanism with Heated Rollers, one Touch Zero Gravity recline, and 15 Auto Programs for personal customization. Additional features include Bluetooth Speaker for Music, Chromotherapy 2.0 Lighting, Tri-Action Reflexology Foot Roller Massage, and Unique Heated Knee and Calf Massage. Warranty: 3 years in-home service & 3 years parts. Add an additional warranty with Extented Manufacturing Warranty sold seperately.