Commodity: Double-header Massage Appliance Model: HY-1006 Packing: color box Specifications: (ctn measurement) 66*46.5*47 cm Rated Power: 28W Rated Voltage: 220V （or 110V ） Frequency: 50-60Hz Rated Work Time: 30minutes Weight: 1.4kg Function: 1. Strengthen immunity of body. 2. Promote blood circulation. 3. Adjust blood balance in body. 4. Strong massage penetrates with human body, helps to loosen the muscles. 5. Ease discomfort and restore agility and flexibility. 6. The double-hammer with strong percussion action makes massaging more effective