LuminoLite Rechargeable Extra-Bright 4 LED Reading Light with Clip On and 2 Brightness Settings Bundle with USB Cable & AC Charger (Black). The Perfect Night Book Light For Reading In Bed. Lose Yourself In Your Favorite Book And Enjoy Up To 10 Hours Of Reading Time Before Charging. Built-in 1000mAh Rechargeable Battery, making it a fully cordless reading lamp. Power Up in 3 Ways: Free USB cable and mains adapter/charger included. Sturdy and Easy-to-use Clip for Books. Clamp opens up to 1 inch. Well-Built, Durable and Made From High Quality Materials.