snailax memory foam massage mat with heat, 6 therapy heating pad,10 vibration motors massage mattress pad, full body massager cushion relieve neck, back, waist, legs snailax features:<br> - 10 vibration massage nodes for full body massage<br> - 4 massage zones for choice ( shoulder, back, lumbar, legs)<br> - 5 promgarmmed massage modes, combine with vibration & heat in different ways<br> -4 heating pad for full back, hips, thigh, leg<br> - over heating pretection system<br> - integrating strap system to secure it to the chair or bed in place<br> - 3 adjustable vibration massge intensity: low, medium, high<br> - a timer of 30 minutes to auto shut off <br>