One full charging session takes about one hour but can last you five days of daily 15-minute sessions. Sometimes we forget to charge our devices...But isn't it tedious to have to wait for hours to use them when we need them NOW? That's why HeaEyes has fast charging and long battery life. Even if you forget to charge it, it's ready in minutes and will last for days.
Internal timer and auto-shutdown, so it will never waste energy or massage for too long …
What if you fall asleep(that's very likely to happen) when you use your HeaEyes?
Don't worry, it won't "Over-massage" or overheat your eyes. It won't go on forever, draining its battery. It will just turn off after 15 minutes, so you can fully let go without any worries.