* ~1800K WARM SMD LED TECHNOLOGY. Suitable for LOW BLUE LIGHT environments. * NO MORE WASTING MONEY ON BATTERIES - EVER. FEATURES BUILT-IN RECHARGEABLE 1000MAH LI-ION BATTERY, enjoy your wireless 60 HOURS reading without charging (at low brightness setting). 3 power modes to choose from, USB ports, power banks, and 5V phone charger (not included). Standard Android micro-USB cable included. Never worry about finding a compatible cable if get lost. * LOVE TO READ AT NIGHT WITHOUT DISTURBING YOUR PARTNER? This new book light is 2.15 oz 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.