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It is harmful for our eyes to play the phone with glare from the screen before sleeping.“Partner in the Dark” is a small night light using on the phone with 3.5mm hole.It offers weak light to reduce the damage from glare to the eyes by increasing the ambient light area.It can also decrease glare which affect the other people's sleep.It is so considerate.You just need to pick up the “leaf ” from the “Cactus” and then insert it into the headphone jack of your cellphone. When “Partner in the Dark” is continued to be used about 30 minutes, it will begin to flash slowly. It will remind the users that it is time to sleep.
Guangdong University of Technology