1, USB charging design is convenient and environmentally friendly. Built-in speakers listen to music while massaging. 2, foldable storage, compact, does not take up space, and easy to carry. ABS + PC shell is waterproof, wear-resistant and anti-collision. 3, like a baby, delicate and smooth elastic elastic headband made of high-elastic nylon and latex silk, elasticity is more durable and wear-resistant, elastic band can be adjusted at will. 4, suitable for a variety of head-type soft skin lining is more comfortable, the material of the eyeliner lining is made of Dolly, which is more breathable and soft, and the fit is better, so that the eye area is evenly heated. 5. Helps promote blood circulation. A perfect headache and eye relaxation treatment gift for family, loved ones, teachers or friends.