Feeling stressed this massager can help. This finely-made massager with the highest-grade motor can eliminate your aches and pains in no time. It's high-tech and ultra light weight design, brings a steady, relaxing massage to tired muscles. It comes with 2 high-speed vibration. It's head is soft and water-proof. Its flexible movement brings a maximum sensation just where you need it. The product requires 2AA batteries to operate. Enjoy the wonder from a quality Prospera product! You will feel renewed. Can you feel it?Product Specifications Delivers powerful vibration massage 2 speed choices: 4600 to 5000 Rpm Water resistant Ergonomic design Ultra light weight feature Easy to use, take little time to rejuvenate Dimension: 9""x1.7""x1.7"" Weighs about 0.5 lbs Operated by two Aa batteries