Previous page Next page Operation Instructions Step 1 Plug the DC plug into the DC socket on the eye mask. Step 2 Insert the USB plug into a 5V / 1A or 5V / 2A USB outlet. Step 3 Set the timer and heating level. Step 4 Put on the eye mask and enjoy relaxing heat. Do I need to plug the USB charger to the outlet while using or do I heat up my mask first then unplug and wear the mask? No. This heated eye mask does not have rechargeables inside so it cannot be recharged. Please keep your USB heated eye mask plugged in when you are using it. How do I clean the mask? Please unplug your eye mask first. We advise you to handwash your heated eye mask and let it air dry before the next use. Where does the steam come from? Do you have to wet the mask? Yes.
