Adjustable Two Brightness Settings Amber Reading Light4000K warm white light and 1600K amber light. Each light brightness can be dimmable from 100%-10%. Just by pressing and holding the touch switch on the light head. Small Book Reding LightThe amber/orange light emits is 99.94% free of blue spectrum light to encourage the production of melatonin at night and reduce eye strain.This warm light stimulates the production of Melatonin which helps promote sleep. 360 Flexible Googe Neck Aid LightThe goose neck is flexible which allowing you to position and focus light exactly where you want it. Perfect for headboard reading, table, travel, sewing, camping, kid's reading, study, music stand light, computer light, tasks and hobbies. Rubber pad on the clip protects pages from being damaged and offers secure and stable clamping. USB Rechargeable Lithium Battery Book LightBuilt-in rechargeable 900mAh high capacity Li-ion battery, which provides up to 60 hours lighting time. Contain 18inch Micro-USB charging cable. It only take about 3 hours to secure recharge. Excellent Gifts or Stocking Stuffers1.94 oz Lightweight clip on light are the perfect gifts for the students, bookworms, children, business professionals or yourself to read comfortably and healthily at home or on the travel.