Name ：E-Beauty dolphin massage hammer Model ：ST-323 Accent： ◆ Ergonomic vibration massaging, apply to every parts of your body, such as the neck, shoulder, back, arms, waist, buttock, legs, calves etc. ◆ Infrared ray, magnetized massage tapping heads and Overheating-safety device designed. ◆ Four accessory interchangeable massage head shapes are included (U Shape, Ball Shape & Flexible Bristle Shape) for variable stimulating massage techniques. ◆ Helps relieve tired aching muscles, sprains, strains, lower back pain, and neck strain. ◆ Anti-slip grip with curve style, cute appearance and light, convenient to take. ◆ Two massage speeds and an auto speed function that automatically shifts massage from high to low speeds. specification： Rated voltage：AC110/220V 50/60Hz Power consumption：15W Carton Size：46.5x44.5x46.8 cm N.W：12.5 kgs G.W：13.5 kgs PCS/CTN：12 pcs