1. quality material: The head massager is crafted from stainless steel beads and PP, offering a soft texture that protects the scalp and resists breakage. Its manual operation ensures the balls remain rust, while the 360degree rotating beads provide effortless scalp massage. 2. Design features: The unique spherical massage ball design, paired with an ergonomic handle, ensures comfortable use anytime, anywhere. The rolling balls relax the scalp, boost blood circulation, and relieve tension. 3. Multifunctional: This scalp massager can be used not only for the head but also for the neck, legs, arms, back, and body, helping combat fatigue and maintain energy throughout the day. 4. Portable convenience: Measuring just 16 cm in length and 10 cm in width, the massager easily fits into bags or backpacks for onthego use. It doesn't require batteries or charging, making it ideal for home, office, or travel.