Relieve Stress, Pains and Tiredness –  car seat massager with 10 vibrating motors provide deep vibrating massage on your neck, shoulder, upper back, lower back, and thighs. Deeply penetrate your tissues and muscles to release muscle tension; sooth pains and aches. 5 Massage Modes and Heat Therapy – The comfitech car massager let you choose 5 different programs. Also with heating future, radiating gentle warmth, to sooth your stress and muscles. Heat therapy can be used individually. Precise Spots Massaging and 3 Intensive – Select your precise desired massaging points. 3 strength to adjust massaging frequency. Convenient & Portable – Portable car seat back massager for your home or office/ lounge chair and car seat, DC adapter is included. When finished massaging, simply fold it away in storage and keep the controller in the pocket. Move conveniently. Rated Power : 12W Rated Voltage:DC12V