【3D Eye Mask Designed for Your Eyes】This 3D eye mask perfectly fits the shape of your eyes, using air pressure to comfortably soothe your eyes from both sides to the center. It also comes with an elastic band that can be adjusted to suit your needs, regardless of gender, age, or head size. The main unit weighs approximately 340g, making it lightweight and pressure-free on your eyes. 【Graphene Heating Technology & 38-40℃ Constant Temperature】Operate with a single touch; long-press the power button to activate the eye warmer. Then, each press of the power button cycles through three operating modes, allowing you to choose your preferred mode based on your needs and location. Furthermore, it utilizes graphene carbon atom material with excellent heat conduction, quickly and evenly reaching 38-40℃. You can enjoy gentle comfort for your eyes anytime. ★★"Note: Pressing the power button twice may turn off the music."★★ 【USB Rechargeable, 180° Foldable, and Portable】It's USB rechargeable, so you don't need an outlet; a full charge takes about 1.5 hours. The 180° foldable design and included storage bag make it very convenient for storing and carrying in your bag when traveling or on business trips. 【10-Minute Timer, Skin-Friendly PU Leather, and Excellent Breathability】It features a 10-minute timer function, so if you fall asleep while using it during a break, the power will automatically turn off when the time is up, ensuring safety. The underside that touches the skin uses soft PU leather material, which is highly breathable, stain-resistant, and can be cleaned by simply wiping it down.