Features: 1. To use the steaming function, lightly spray water on the eye mask. 2. Intelligent timing with automatic power-off and 3-level temperature control: 45°C, 50°C, or 55°C adjustable. 3. Provides a relaxing and soothing experience, helping to reduce eye puffiness and stress. 4. Made of real silk material for high quality and comfort. 5. Suitable for use at home, in the office, or while traveling. The USB heated eye mask can be connected to mobile power banks, laptops, and other USB-powered devices for convenient use. The wireless lithium battery heated eye mask is rechargeable and portable. [Optimal Heating Zones] The real silk exterior, flat design, and enlarged fit ensure the heated eye mask sits comfortably over the eyes, delivering consistent soothing heat to help relieve eye fatigue, dryness, and tension. [Temperature & Timer Settings] Offers 3 adjustable temperature levels (45°C, 50°C, 55°C) and 3 timer settings with automatic shut-off (20, 30, or 40 minutes), allowing personalized comfort for improved sleep. [Enlarged Adjustable Strap] Designed with an upgraded size and soft elastic strap with a secure plastic buckle, it fits comfortably on various face shapes. The contoured nose bridge helps block out light, ideal for daytime naps or nighttime use to support better sleep. [USB-Powered] Compatible with most 5V/1-2A USB power sources, including laptops, power banks, and car chargers. USB adapter not included. [Easy Maintenance] The integrated design allows gentle hand washing to maintain hygiene. Regular cleaning is recommended after use. Please ensure the device is properly connected to a power source before use, as it will not heat without power. Note: Due to lighting and screen differences, the actual product color may vary slightly from images. Slight measurement variations may occur due to manual handling. Material: 100% Silk Label: Yes