Enjoy soothing vibrations anywhere you go with this cordless mini massager. Powered by a whisper-quiet motor. the Mini Wanachi massager is the premier choice for revitalizing tired muscles. Choose a speed that\`s right for you and enjoy the freedom of wireless stimulation. The relaxing vibrations relieve tension and reduce muscle fatigue. giving your aching body the recharge it deserves. Waterproof design allows for use in shower or tub. Requires 2 AA batteries not included.