Relaxing Heat Therapy: Experience soothing heat therapy that helps relieve eye fatigue, dryness, and tension for enhanced relaxation Dual Temperature Settings: Customize your heat level with the Low-heat (100°F ~120℉) or High-heat (122°F ~140℉) settings, catering to your individual preferences. It is worth reminding that the eye mask in contact with the eyes in the process of insulation, so in the process of use, the temperature felt is the existence of differences, but also to better protect our eyes Convenient Cordless Operation & Rechargeable: Enjoy hassle-free use anywhere, anytime with the one-button controller and rechargeable battery. The heated eye mask supports USB charging for 2 hours and use 4 times for 15 minutes each time. It is recommended to use it as soon as possible after charging to ensure the best relief of eye fatigue. Fast and Even Heating: Thanks to the advanced metal fiber heating material, EM01 heats up quickly and provides uniform heat distribution to ensure optimal comfort Optimal Duration: The 15-minute auto shut-off feature ensures that the heated eye mask provides maximum benefits without discomfort or overheating Snug and Adjustable Fit: The heated eye mask is designed with an adjustable strap, allowing you to customize the fit for maximum comfort Total Darkness: The triangle wing pad design ensures complete darkness, blocking out all unwanted light for a better sleeping environment Easy to Clean: The detachable design allows you to easily remove and clean the eye mask's lining, ensuring hygiene and freshness with every use Ideal Gift for Any Occasion: Pefect gift to show your care and love for family and friends. Effectly improve eye health especially for those facing the challenges of overtime work, late-night activities, long trips, or intense study sessions