Quick Details 1.Power: 24W; 2.Voltage: AC 100-240V, DC12V; 3.Materials: PU + mesh material; 4.Standard color: beige, black; 5.G.W./N.W.: 20/13.5kgs; Description 1.Similar to human kneading and shiatsu mechanism with 8 rotation balls to alleviate stress or fatigue on Neck &shoulders, back, legs and feet; 2.Elegant silicon control panel easy to operate; 3.Four-button operation functionï¼?ON/OFFï¼?Direction:Two directions; Speed Key: Three kind of speed; Heating Function: Soothing heat therapy. 4.Auto shut off in 15 minutes. 5. Can be used at home, office and car,with adapter.