The product provides a reusable design for heated eye masks. You can use it anytime and anywhere because it is portable. It is a graphene heating pad that can provide stable temperature to the eyes. Help sleep and relieve dry eye???Reminder system : The E-warmer eye mask applied a vibration reminder system to alert you. Wear an eye mask and turn it on, adjusting the temperature until your eyes feel the appropriate temperature. In this process, the eye mask will give Vibrant reminder for each step of your operation. ?ex.?When you start, a Vibrant reminder comes to tell you that it is really started. And, when you adjust the temperature, if the mask vibrate twice, you can know it is in the second temperature gear. ??3 Levels-Adjustable Temperature and 15 safe auto off timer:This cordless heated eye mask has 3 levels of adjustable temperature design, 131/122/113?to meet appropriate temperature needs for different body sensations. Heating will automatically stop after 15 minutes to ensure safety and effectiveness. You can choose the ideal temperature and time according to your needs. Use heated eye masks to provide continuous heat for dry eye relief, more convenient than steam eye masks. ??Longer battery life and more usage times :The maximum capacity and longest usage time on the market. The E-warmer eye mask uses a 1500MAH polymer lithium battery. When the eye mask is fully charged. It can be used 5--11 times per different temperature. If you using it twice a day, you just need charging it after 3-5 days. Almost other eye masks need charged every day. ??Clear battery indicator system: The E-warmer eye mask is powered by a lithium battery, and users who use cordless eye masks hope to see a simple and direct battery balance status, making it easy to understand how long the eye mask can still be used. The E-warmer eye mask provides clear four level battery indicator, which can clearly display the remaining state. At the same time, when you charge, it will also clearly display how much battery has been charged. Easy to use. ??Higher designed temperature, targeted improvement of Dry eyes The E-warmer eye mask uses a special Cavernous tissue structure to strengthen the fit between the eye mask and the eyes, heat can be fully released to the eyes. And make tissues such as the eyelids and lacrimal glands receive more effective hot compress. The E-warmer eye mask uses the carbon fiber heating element to achieve 1-second temperature sensing, with a max temperature of 131F, greatly enhancing the effect of hot compress. ??More Lightweight/convenient/comfortable: E-warmer eye mask is smaller and lighter weighs only 55 g and is only the size of a pair of glasses. Coupled with soft cationic fabric, it is quite easy to wear without any heavy discomfort. The 3D Cavernous tissue structure inside the liner of the mask, making the eyeball just in the 3D depression, which relieve the pressure on the eyeball. The curve that conforms to the shape of the nose bridge, the high nose is no longer pressed down by the eye mask. ??Convenient cordless heated eye mask,:Get rid of the troubles caused by wire restrictions when using ordinary heated eye masks. Wireless eye masks are more convenient and effortless. You can apply this cordless eye mask to various occasions, such as home, office, train, or travel. You can take out it anytime and anywhere to soothe your eyes and relieve eye fatigue;.