About this item 3-Class Graphene Heating Technology: Powered by 3-class graphene heating technology ( 104/113/122°F), RENPHO eye mask for sleeping heats up faster than ordinary eye masks, which effectively maintains the skin elasticity around your eyes, improves sleep, and deeply relieves dry eyes, eye puffiness, dark circles, and eye fatigue. Easy-to-Use Handheld Controller & Lightweight Design: Easily switch modes, heat levels and timers with the handheld controller for an enjoyable eye massage. The sleek and lightweight design under eye mask makes it easy to carry and store, allowing you to use it anytime and anywhere such as at home, in the office, on a flight, etc. 3 Vibration Modes: Compared to the under eye mask from other brands, RENPHO sleep mask is additionally equipped with vibration function, which allows you to get more out of your eye massage with four built-in massage nodes. 3 Timer Settings: The built-in auto-off timers (15/30/60 min) will automatically switch the under eye mask off when the set time is up, ensuring safe and easy use. The hot eye compress allows you to customize your own eye SPA for better sleep. Light blocking & Washable & Removable: Soft and super-breathable skincare materials offer your eyes a gentle touch. The premium quality heated eye mask completes with a triangular wing pad to fit your nose better and effectively blocks light and 3D eye sockets to avoid pressure on your eyeballs. The removable inner pad allows for easy cleaning and reusing.