Electronics: Get a 3D deep kneading head massager. Scalp massager: Designed to perfectly fit the scalp, simulating a hand to fully massage the head. Dimensions: 25cm x 11cm x 6.5cm. Ergonomic design: Designed to feel like a hand, featuring four massage methods and one button operation. Benefits: Increases blood circulation of the scalp, boosts hair growth and promotes relaxation. Heat: Can be heated 42 degrees celsius, making you feel more relaxed during the colder months. Deep Kneading Head Massager | Living Social