Vibration Massage, NOT Shiatsu -The back massager with 10 vibrating motors and heat function, provides soothing gentle massage for back, thighs to help relieve stress, tension. It is vibrating massager only, not a shiatsu massager with roller balls. | Customizable Setting - The massage seat cushion allows you choose massaging area: Neck,Upper back, Lower back, Seat, combines all of these areas together, all-inclusive 5 programmed modes and 3 variable massage intensities to give you the best massage you can customize. | Fast Heating - The Massage seat cushion has heat massage for full back and seat area, provides heat therapeutic for back and hips, thighs. It is a nice seat warmer in winter. The back heater and seat heater can work separately. 2 heat levels are available. Fast heat-up, reach 114℉at low level and 131℉ at high level. | Safe & Reliable - The seat warmer is equipped with overheat protection thermostat controller that is UL listed, rigorously tested for quality control and safety. Each back massager with auto shut off feature ensures safe use. The timer is 30mins to automatically switch off. | Universal Fit -The designed universal size fits for most office chairs. It's included a home adapter for home, office use. Best christmas gifts for your Father, Mother, Woman or Man. MONEY BACK GUARANTEE: For any reason, if you are not 100% satisfied with this back massage chair pad, just return it within 30 days & get your money back.