【Easy to Charge】Built in rechargeable lithium battery and micro USB port. Enjoy your wireless 30 HOURS reading without charging at brightness setting (Warm, Low). Standard Android micro-USB cable included. Allowing you to recharge your book light via laptop, power banks, 5V phone charger (not included). 【Eye-Protection & No Flicker 】There are 3 Colors x 3 Brightness Levels, Stable and the perfect brightness that keeps your eyes comfortable and protect your eyes from shining hurt and radiation. 【Lightweight & Portable Design】Small in size, 2.82oz lightweight, Perfect as book lights, bedside lamps, music stand light, computer light, desk light or for headboard reading, camping, kid's night reading, study, keyboard, kindle, makeup, sewing, painting, tailoring, DIY tasks and hobbies. .
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