LED BooK Light Showpin Night Reading Clip Lamp Dual Head Rechargeable 4 LED Portable Music Stand Light,Easy Clip On Bed,Dimmable Brightness Flexible USB Night Light,Christmas Gift for Kids, Bookworms Built-in high performance and high capacity rechargeable lithium battery, NO more wasting money on battery. USB cable and AC charger to charge. Read for up to 10 hours without charging. 5 Modes of Brightness and 4 LEDs. Human friendly 2 light setting. Each light with 2 Bulb. With just a touch of a button choose from either 1 or 2 bulb according to your needs. Eyes-care. No flickering, no dark area, Protect your eyes from strain while reading in the dark. The clamp itself opens up to 2.3 inches wide and flexible goose-neck design. Allow you to adjust the light just where you want it, adjust the neck horizontally, vertically, or tilt for various angles and better direction of illumination. Small, lightweight and portable. The clip that holds the lights is small and lighter that most, so it is not cumbersome and does not add much weight to the book. Ideal as a travel book light and great for all the family. Perfect for reading books, musical scores, music stand, illuminating keyboards, or even working with craft and arts, trips and camping etc.