SPECIFICATIONS:  Product Name: STEAM EYE MASK  Rated voltage: 5V  Rated power: 5W  Output current ≥1A  Output voltage: DC5V  Product size: 19.5cm * 10.5cm   Heating temperature: 30-50& 8451; (room temperature 20& 8451;)  Applicable people: Long-term learning, desk work and long-term use of mobile phones, computers and other eye fatigue.    FEATURE:  1.Heated and Cooling 2 in 1: Heated steam eyes mask and cooling eyes mask, you can choose your desire temperature ranging from icing cold to steaming heat.    2.Temperature and Time Control: Eye mask designed with 4 classes heat temperature from 35 to 50 °C and 5 classes timing from 10 to 30 minutes, It will stop working automatically when you go into deep sleep.    3. Lavender Heated Eye Mask: Inspired by disposable hot steam eye mask, heated with carbon fiber heaterCombining with lavender the soothing warmth dissolve away the day's stress, help you to have a sweet dream    4.Comfortable and Safe: 100% pure cotton of the surface, no irritation to the skin with low voltage.Internal of the eye mask is compose with soft and fluffy materials, allowing only the softest and most gentle touch to your eyes    5.Portable and Economical: Eye Masks with usb Powered by PC, power bank, USB adapter. Packed with a lovely carry bag. It's perfect for take a rest for eyes at office, eye spa in the hotel. travelling, outdoor activities, and after work relaxation.    TIP:  1. In order to enhance the steam effect, warm water can be sprayed in the eye mask and warmed up five minutes before use.  2. Set the temperature and down time, start hot pressing, the recommended temperature is 45-50 ° C, each heating time is 20 minutes.  3. Eye mask can alleviate dark circles, eye bags, and tired eyes after long hours of work. Can be used with eye care products to increase absorption speed.    Notice:  1. This product can be used directly or directly as a common eye mask.   2. Due to differences in personal skin sensitivity, when you feel high temperature, you can shorten the use time or suspend use to avoid low temperature burns.  3. This product adopts the removable and washable design, the liner can not be cleaned. If the cover needs to be cleaned, the liner can be cleaned after removal, and the hand wash temperature is lower than 40 °C.  4. If your eyes are sick or injured, use them under the guidance of your doctor. Due to differences in individual skin sensitivity, such as the use of high temperatures, can shorten the use time or suspend use to prevent burns.  5. This product is not a toy, please keep it out of reach of babies.     TEMPERATURE & TIME CONTROL  TEMPERATURE CONTROL: The mask is designed with 5 level of heat and time setting, ranging from 35 to 50 °C ( 95 to 122 °F ),  TIME CONTROL: 10 to 30 minutes respectively, allowing the mask to automatically turn off as you go asleep.