Features: 1. Note: If you want to steam, just spray some water on the eye mask. 2. Intelligent timing or automatic power off, 3-level temperature control. 45C/50C/55C temperature adjustable. 3. Usage: Provide you a relaxing and soothing experience or help reduce eye puffiness and stress. 4. Material: Made of real silk material, high quality and comfortable to wear. 5. Application: The eye mask is suitable for home, office, travel, etc. USB Heated Eye Mask can connect to mobile power, laptop, and other devices, convenient to use. The Wireless Lithium Battery Heated Eye Mask can be recharged repeatedly and is easy to carry. : [Optimal Heating Zones]A real silk exterior, flat design, and expanded size ensure this heated eye mask rests right on your eyes to keep soothing heat last for relieving tiredness, dry eyes and tensions. [Temperature & Timer Setting]Featuring 4 heat from 45C with up to 55C and 3 timer settings for automatic shut-off from 20min to 40min, this hot eye compress allows you to customize your own eye SPA for sleep satisfaction. [Enlarged Adjustable Strap]Upgraded with a larger size and real silk reverse, the elasticated band and the small plastic buckle on it help create a comfortable fit for various face shapes and secure the eye mask in place. Plus the enlarged nose, the usb eye mask can shut out unwanted light for a daytime nap. Using before sleeping, you would fall asleep better. [USB-Powered]Compatible with most 5V / 1-2A USB outlets for universal power supply, this warm eye compress can be powered by laptops, battery packs, and car chargers. Please note that USB adapter is not included in the package. [Effortless Maintenance]Thanks to the integrated design, this real silk sleep mask can go through wash to clean up the undesired buildup after using. We kindly you to wash your eye mask on a regular for personal hygiene. Take it with you. If you have any problem about the product, please feel  talk to us. [Make sure it connected the power supply before using, otherwise it will not heat up.] Notice: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow some differences due to manual measurement.Thank you for your kindly understanding. Material: 100% Cloth Label: Yes