Body and Hand Massager The device is used to relieve muscle pain and massage different areas such as the back and neck. It works by vibration and features multiple speed levels. Its design is wireless and rechargeable via USB, and made of material. Performance and Functions Multiple Vibration Patterns: Not limited to a fixed speed, it usually supports several vibration patterns (pulsating, intermittent, continuous) to suit the user's desire and relieve muscle spasms. Powerful and Quiet Motor: It has an internal high-density vibration motor that works efficiently while maintaining a low noise level for better comfort during use. Water Resistance: The silicone head is often water-resistant (IPX7 standard in some models), making it easy to clean and wash after use.