Of those actively attempting to improve their sleep health,this Electric Eye Mask could not only offer an eye treatment, but also keep your head warm,appease neural system, remiss fatigue, improve sleeping and increase sleeping quality .<br> It is also much more economical than the disposable one-time steaming eye mask<br> <b>Notice:CARBON FIBNER HEATER&WORMWOOD PACK IN THE PATCH CANNOT WASHED </b> <br>This Portable Electric USB Eye Mask is perfect for : - Dark Circles - Dry Eye - Puffiness - Eye Fatigue - Eye Stress - Pink Eye -Sleep&Headaches -Eye Relaxing<br> <b>【HOW TO USE】 </b><br> USE port into a 5V/1-2A USB outlet<br> 1.TIME CONTROLLER<br> DEFAULT to Green for 30mins<br> PRESS ONCE for 45mins<br> PRESS TWICE for 60mins<br> 2.TEMPERATURE CONTROLLER<br> DEFAULT to Green for Low<br> PRESS ONCE for Meduim<br> PRESS TWICE for High<br>