Beautiful and scientific design for more humanization, higher and lower frequency setting switch for choice. . Graceful design with high-class environmental friendly cloth . Soft anti-dry material of pillow core, . Mix filler with Chinese traditional medicine, small fresh lavender, Relaxation and comfortable . Widely used for young and old . Fully consider the different occasions with small adjustment for automobile, office and home, travel. Power supply: 1. Rechargeable batteries and charger, adapt to AC 120-240V and automotive power; 2. Two batteries on the 5# dry battery; 3. The computer supplies power to charge by USB. Main Function: . Improve the blood in chest and belly circulation, increase lung capacity and stomach function . Relieve the pain of bulge in your stomach and chest, boost digestion and reinforce appetite. . Helping to stomach and lung . Can help the metabolism; . Can burn your fat and keep fit. . With the help of cushion, can remove the fatigue of back and waist and improve blood circulation, Product size and package: Length*Wide*High: 380*360*140 MM Gift box: 320*150*380 MM