ATTENTION THE VOLTAGE IS 220V AND THE PLUG IS EUROPEAN Gel massage: Instead of conventional heads, this massage sleeve uses gel massage heads to offer a gentle and natural massage experience 3 massage zones: The MCG 820 massage cover has 3 massage zones for specific treatments. Choose the area you want the massage in: upper, lower or entire back Shiatsu Massage: The massage seat cover's unique combination of intense Shiatsu massage and acupressure massage with gentle heat allows for effective and relaxing application. Heat and red light function: Additional heat and red light functions further increase your well-being Note: Do not use the seat cover while driving or lying down. The effect of the massage can vary and be felt more or less by each person. Please remove the transport closures before use