Features: 1) Provide both of kneading and rolling massage function 2) Includes transformers and DC adapters for home and auto use 3) Simply operation, easy-carry 4) Great for the office, home, and automobile 5) Offer a comfortable massage for the neck, waist, back, thigh, foot different parts 6) Kneads away muscle tension, pain and fatigue 7) Two color available: blue and green 8) Voltage: DC 12V 9) Power: 19W 10) Dimensions: 16 x 13 x 4" 11) Weight: 4.4lbs