Grin Health GHM209 Customizable Massaging Cushion: features many massaging options ultra-powerful full back massager for upper, lower back, waist and neck, shoulders with 4 D Shiatsu Kneading with Heat features. Allowing you to experience a fully customized massage session in the comfort of your own home, office or car.................REAL MASSAGE THERAPIST HANDS Specially designed 4D rotating balls an strong and powerful kneading massage for your entire back or relaxing your neck, shoulders or waist with deep-kneading massage nodes as a professional doesâÂÂpenetration of a real massage therapist hands...................MASSAGING NODES MOVE UP & DOWN The Four Shiatsu (4) Massaging nodes travel up and down, massaging the entire back. Select a full back massage, lower back or upper back. Dual speed setting, select high or low speed....................ADJUSTABLE SPOT FOCUS MASSAGING The moving shiatsu massage nodes can be set to pinpoint a specific spot on your back. Press the arrows up to move it higher up your back, or press the arrow down to move the massage lower down on your back. The intensity of the massage can be increased or decreased depending by how hard you press against it......................THERAPEUTIC HEAT Features an optional heat function; radiating gentle warmth, to help you unwind from a stressful day. (Heat therapy can be activated at the shiatsu massage function or rolling massage)...................HIP VIBRATION SEAT MASSAGER: Vibration seat by separately control provides you a comfortable massage to Hips and thighs. Vibration offer a comfortable massage to Hip and thighs, strengthen the metabolism...................TIMER FUNCTION The massager features a safety auto-off timer. Select to shut-off the massager after five, ten or fifteen minutes.