Wide Coverage Design- Most eye masks on the market can only cover the eyes, and we sell a wider coverage, which not only provides eye care, but also keeps the head warm. It can be used even for short breaks, bedtimes, long trips, etc. Easy and Convenient to Use- This eye heating pad can be used anytime, anywhere. Just plug it into your PC, power bank or USB adapter and you're ready to go. You can use it for short breaks, before going to bed, long travel to relieve eye pressure, headache, puffy eyes, insomnia, dry eyes, great for birthday, thanksgiving and christmas gifts. How it works] - Inspired by disposable hot steam eye mask, heated by graphene carbon fiber heater, the human body can generate 6-14 m far infrared rays after heating, effectively relieve dry eyes, eliminate dark circles, puffiness and improve blood circulation around the eyes. Recommend 30 minutes a day to provide you with a relaxing eye treatment. 5-LEVEL TEMPERATURE CONTROL AND TIME SETTING- The heated eye mask has 5-level heating temperature of 40C - 60C (104F to 140F) and 6-level timing of 10 - 60 minutes. Eyes are very sensitive and cannot tolerate high temperatures for long periods of time. The recommended temperature is 45C (113F) for 30 minutes. Safety- Built-in thermal protection module. Once it overheats, it will stop until the heat returns to standard temperature. It automatically stops working when you go into deep sleep. Our dry eye patches maintain a safe and consistent heat range compared to microwave-heated devices that tend to overheat.