Ideal Book Light for Reading In BedThe warm LED light provides an comfortable experience of reading in bed. The rubber-coated material makes it the reading lamp is flexible to bend at any angle. 3 Color Temperature & DimmableThis reading light offers 3 color modes . Click to change the color temperature: 3000K (warm white), 5500K (cold white) or 4500K (neutral white), long press the button to adjust brightness of 15% ~ 100%. Useful As Book Page Marker Made in bookmark shape, use it as a bookmark as well. Lightweight and portable that you can carry it with inserting into your book.Only 45g, mini and clip on design, making it easy to carry in car or bus travel. USB Rechargeable Built-in 250mAh rechargeable lithium battery.No need extra Cable. Insert to the USB port of any charging devices. Only take 30 minutes to get fully charged. Economical and environmentally friendly. Constant Working for 4 HoursConstantly working time up to 4 hours. Meet your need for any applications.