Book Light, Rechargeable Warm LED Book Light Easy Clip on Reading Lights for Reading in Bed Brightness Eye Care Light Perfect for Kids Most suitable light color for eye-care reading. 5 leds evenly light up 3 times lighting area than normal led. 2 brightness levels. the best portable book light for bookworms kids. No more wasting money on batteries , features built-in USB rechargeable li-ion battery, enjoy your wireless 60 hours reading without charging (at low brightness setting). If you love to read at night without disturbing your partner, this new book light is 154g super lightweight. perfectly weightless for clipping on your book, creating a private reading space for you alone when your partner is sleeping next to you. ideal for nighttime reading in bed and for travel. Eye-care soft diffused light, easily light up 2 full pages of any size book. no need to adjust the light from time to time. this night reading lamp comes with a secure padded clamp and infinitely flexible neck allowing you to position and focus light exactly where you want it. Also perfect for camping, kid’s reading, study, music stand, computer light, tasks and hobbies. If you have question, please contact with us, 30 day money back guarantee, and exchange if the lights are defective.