General Specifications and Features Wireless Design: Powered by a rechargeable battery via USB, giving you freedom of movement during use. Waterproof: As the icon on the box shows, the device is designed to be waterproof, making it easy to clean with soap and water after use. Multiple Vibration Patterns: It has control buttons on the handle to change speeds and vibration pulses to suit your preference. Flexible and Padded Head: The top head is made of soft and flexible silicone to provide a comfortable feel on the skin during vibration. Body Vibration Massager