• Low-frequency pulse therapy to relieve neck pain, shoulder fatigue, and body tension. • Improves sleep quality and promotes blood circulation. • Includes heat function, 5 massage modes, and 16 intensity levels to suit your needs. • Ergonomic U-shaped design that fits perfectly around the neck. • Emits a colorful light when turned on and offers different tones when adjusting functions. • Lightweight and portable, ideal for use at home or in the office. • Recommended as a perfect gift for family, friends, and coworkers. • For comfortable use, moisten the neck before using the metal pads.