Features: 1. Note: If you want to steam, just spray some water on the eye mask. 2. Intelligent timing, 3-level temperature control, automatic shutdown after 1 hour. 38C/40C/45C temperature adjustable. 3. Use: Give you a relaxing and soothing experience or help reduce eye puffiness and stress. 4. Material: Made of cotton material, high quality and comfortable to wear. 5. Application: The eye mask is suitable for home, office, travel, etc. The USB cable can be connected to mobile power, laptop and other devices, convenient to use. Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Specification: Name: USB Heated Eye Mask Voltage: 5V Material: Cotton Power: 2.5-4.5W Size: 22cm x 10cm Power supply: Connect the USB charging cable to the charging port Function: 3-speed temperature adjustable, 1 hour timing