💞 Easy to Control: It's designed to have 4-class heat temperature settings from 40 to 55°C and It will stop working automatically when you go into deep sleep. Package Contents: Remote control with USB plug, heating pad, silk eye mask 💞 Material: 2 layers Super Soft cotton heating core with the highest grade real silk totally blocking out all light, you can use it comfortable by the adjustable strap. Easy to Remove and Wash, and the switch line is about 78.7inches makes you more convenient to use 💞 Multi-Uses: The heated eye mask can be used anywhere. It's easily powered by PC USB port, power bank( Not included), phone charger, you can use it for a short break, at bedtime, longtime traveling 💞 Effect: Far Infared heater can improve the blood circulation around, relieve dry eyes , dark circles, puffy eyes, eye stress, insomnia and great for eyes beauty care 💞 Perfect Gift: Special enlarged Broader coverage area, which could not only offer an eye treatment, but also keep your head warm. 30 minutes( 45°C) per day recommended, perfect as Birthday, thanksgiving Day and Christmas or other special days