DescriptionThis item is a USB eye mask. Made from the premium material, supersmooth and comfortable, good for skin. Completely block out alldisturbing light, to help you fall asleep easier and engage in deep.Ideal for helping you to relax and fall asleep for a truly sensationalnights sleep and wake up refreshed. It is a product worth buying.Features- Material: Crystal plush. - Size: About 21.50X9.00X0.50cm/8.45X3.54X0.20inch. - Voltage: 5V/1A. - Heating temperature: constant temperature 52. - It can effectively relieve eye fatigue and help treat dry eye and blepharitis. - It can also be used as a sleeping mask to block light, sleep, relax you and your eyes, and get a good night's sleep.- The heated eye mask is made of breathable and fabric, which perfectly touches and covers the delicate skin of the eyes. - Give you a lighter and more comfortable thermal eye mask to make your eyes healthier.- Use USB multiple connection methods, meeting your needs.