1. 3D low-voltage induction structure with facial curve and zero pressure, 2. Suitable for 3D surround leakproof light, 360° light blocking, innovative upgrade, high skin-friendly. 3. Imitate the human hand massage, feel realistic, massage in place, relieve eye fatigue, treat insomnia, irritability 4. You can change the air, keep the air flowing, and increase the comfort of the glasses. Adjustable head circumference for a more comfortable fit 5. Elastic elastic band, no comfort, adjustable head circumference, 180° folding bag, easy to operate, battery life is 1300 mA long