Product details:
--USB Charging Port & Built-in Battery,Built in battery provides up to 28 hours continuous lighting time(low brightness setting).
--No need to plug in when using,very portable and can be used anywhere,especially there is limited outlets and power outage happens,With this led book light do not have to worry about the power outage.Not only use it wirelessly, but you can also work while charging.
--Designed to emit a soft, stable, non-flickering wash of light that's friendly on your eyes, helping you avoid eye fatigue caused by flickering light and harsh glare. So that your eyes no longer tired, study for long time.
--Clip on book light provide stable and comfortable light, protecting your eyes from shining hurt and radiation.
Brand:HOSL
Material：ABS.
Switch type: Touch sensor.
Color Temp: 3000K-5000K.
Brightness Levels : 3 Brightness Levels-20% brightness,50% brightness,100% brightness.
Package Include:1x Reading Light.