READ AT NIGHT WITHOUT DISRUPTING SLEEP - Removes 99.95% of blue light which creates a warm Candle-like hue perfect for use with a good book, kindle or e-reader. This mini reading light helps preserve your body's natural melanin production. FULLY RECHARGEABLE - Our rechargeable book light is powered with a (1000mAH) lithium battery so you can read or work uninterrupted. You get 30+ hours of reading time with just 4 hours of charge Get a good night's reading session without interruptions. ADJUSTABLE BRIGHTNESS - This dimmable reading book light offers 3 brightness variable settings of 25%, 50% and , 20, 40 and 80 lumens respectively. Easily adjust the brightness to your reading conditions for a comfortable reading experience. LIGHTWEIGHT AND PORTABLE - At only 70g (2.5oz), you'll hardly notice that the light is even there Simply clipon to your ereader, book, or laptop. This light can easily be stowed away for your travels. The perfect reading companion for every occasion. EXCELLENT GIFTS OR STOCKING STUFFERS - Light reading lights are the perfect gifts for the bookworms in your life Create the best bundle they've ever received by pairing it with a book or blanket. Our lights are perfect for children and can be dimmed and used as a soft nightlight for a warmer, cozy atmosphere that can soothe your kids into a deep, comforting sleep as effectively as a lullaby