[ ]Our reading light allows you to customize your reading with 5 brightness levels. Crafted for even illumination, it also banishes flickering and glare. [ , ]Delight in three hues with our compact book light: protect your eyes with 1800K amber mode, relax with 3400K reading mode, and focus with the intense clarity of 6000K focusing mode. [ & ]Effortless recharge with standard USB. Our LED book light, with a 500mAh battery, offers 10-80 hours of reading joy. Stay informed with 4 power indicators. [ & ]Unleash flexibility with a 150 open clamp and 90, 90, and 45 adjustments for the light head. Our 1.41oz (40g) clip on book light is lighter than an egg. [ ] 1. 30-day return service and a 24-month warranty. 2. Patent-protected design. 2.FCC, PSE, C-TICK approved. 3. Contains USB Rechargeable Book Reading Light, User Manual, Bookmark (No adapter). With Glocusent, you're choosing a seamless blend of quality & customer-centric service. Contact Us by Apps: Account > Message center > Your Messages > Buyer/Seller Messages; by browsers: Sold by Glocusent> Ask a question> Seller Message Assistant> An Item for Sale Product Description Perfect Gift Idea for Booklovers