3 speed back and 20 heads massage pillow heat deep tissue kneading massager

features: - deep u-shaped curve design, closely fit the human body curve. breathable mesh cloth, wear-resistant and skin-friendly. - artificial person positive and negative knead, artificial person technique scientific arrangement layout, weight knead comfortable massage. - positive and negative two-way different experience, set push, knead, pinch, press, squeeze, roll as one. - intelligent timing, deep kneading, 15 minutes automatic power off, protect the motor, extend the machine life, every one minute positive and negative rotation kneading, relax muscles.