["[Vibrating Function] By the Power Button vibrating different times to prompt and assist you in changing the temperature settings and turn on/off the eye mask without the need to remove it. Its incredibly convenient." [Three Temperature Settings] The warm eye compress was specially designed to have 3-class temperature setting (102-107℉108-122℉123-131℉). It will automatically stop working after 10 minutes. [Relieve Eye Discomfort Symptoms] After using this heated eye mask you can feel consistent and complete relaxation. It can help relieve Styes Dry Eyes Blepharitis Dark Circles Pink Eyes and other eye discomfort symptoms. "[Washable] This cover of cordless eye mask is detachable and washable if the eye mask gets dirty. This heated eye mask is fragrance-free. It is suitable for those who dont like fragrances." [Light-blocking and Lightweight] This eye mask for dry eyes can provide excellent light blocking. The cotton fabric is soft and breathable. It is also lightweight. Easy to place the mask in bags.]