Lithium Battery Power Supply : Built-in 800 mAh Li battery, need about 2 hours to get fully charged and can work more than 8 hours. The Li battery can be recharged 5000 times.
3 Brightness Modes : This book light has 2 kinds of LED lamp (2 Spot lamps, 2 flood lamps ), 3 lighting mode：flood light mode, spot light mode and spot light&flood light mode. Simple to create the suitable mode for yourself.
Suitable For The Scene : This neck book light made of high quality silicon rubber.Easier wearing it on your neck to free hands. Ideal for reading book, night jogging and mending.
Sufficient Brightness : Each lamp brightness is up to 20 lumens,it is about 80 lumens when 4 lamps work at the same time.
Easy To Carry On : Only 115 g (4 oz) weight, the neck light doesn't require much space and can fit easily into your carry-on suitcase.
