Like people do, I used to have trouble sleeping at some point in my life. Once I read a book on how to sleep, best tip I got was try to not look at screens for at least half an hour before bedtime.
Took me a little while to quit this habit but eventually I started to read books, just a few pages each night before bed. However the light in my room was a bit dim. So I got me this little book light and the trouble was gone.
a. Led
It uses a led light. I’m far from being an electrician but I presume these things consume little energy. There’s also a choice of colors, you’ve got a warm light which is orange-y and a cold one which is white, currently displayed.
b. Clip
The clip is a great design choice – you can attach it to any book you like. Boom!
c. Flexible stem
Again this is good design because the light can be adjusted easily with this stem.
d. Charging port
Fortunately it doesn’t run on batteries. You can use a typical mini usb cable to charge it up.
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