describe Specification: Black characteristic 1. Relieve fatigue: Using a head massager can help relieve head fatigue, reduce stress, and make you feel relaxed and comfortable. 2. Promote blood circulation: Massaging the head can promote blood circulation, relieve scalp tension, and improve the environment 3. Relieve head pain: Head massagers can help alleviate head discomfort such as headaches and migraines, and improve quality of life. 4. Multi functional design: Head massagers are generally equipped with multiple massage modes, intensities, etc., suitable for various head massage needs. 5. Convenient to carry: The head massager is compact in size and easy to carry, providing a comfortable head massage experience anytime, anywhere. Comment: 1. The manual measurement tolerance is 2-5g. Please don't mind your replacement. Due to differences between different displays, the image may not reflect the actual color of the item. Thank you. 3. SKU color refers to the color of the product packaging The package includes: 1 * Head massager