Specifications:
Voltage: 5V
Color:Black
Brightness: 4 Gears Adjustable
Is Dimmable: Yes
Lumens:50lm
Power Supply: 150mAh li-on Battery(Included)
Color Temperature: 6000k
Charging Time: 30min
Lasting Time: 2 hours once fully charged
Size:20.5*4*0.9cm

Feature:
Clip on reading light for kindle, music score, books.
USB rechargeable via power bank, PC, laptop and power adapter.
It's eye-protective.With no-strobe LED light,it could protect your eyes.
It has 4 level brightness, just press the button to adjust as you need.
The reading lamp is flexible. It could be folded and crooked to any angle you want.
Multifunctional as bookmark, desk & Bed lamp, diverse uses, shape changeable.

Package includes:
1 x Book Light