SUPERLT Folding LED Book Lamp Nightlight Booklight 4 Color Changing(Red Green,Blue,Warm White Light) LED Illumination with USB Rechargeable,Art,Decorative Lights,Brown Case Lighting Color:Superlt can provide 4 kinds of color including red,blue,green,and warm white.The lighting color will switch as above when you open/close the book lamp within 3 seconds. But the lighting will always return to red as start if you closed it more than 10 seconds. Lightweight:Small enough to bring with you anywhere(1.2lbs).Cordless functionality:2000mAh Lithium Batteries,600 Lumens, Up To 6 Hours Usage,USB Rechargeable Super strong adsorption Magnetic-magnetic ensures that it's easy to setup and use. Folding:According to your different needs, book lights can be opened from 0-360 and suspended Wide useage:This fantastic book lamp has multi-functions.It can be used as Nightlight,LED Folding Book Lamp,Art Light,Decorative Lights,Desk/Table/Wall Magnetic Lamp.