Reddit mentions of Oumeiou Book Light, 3000k LED Clip on Reading Light with 4-Level Warm White Brightness, USB Rechargeable Lightweight Eye Care Lamp for Bookworms, Kids

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【Separate Design】For this book lights, You could pull out the led and plug into power bank for charging without extra cable, very convenient.【Eye Protection】3000K Warm book lamp not bluish blinding light, most suitable light color for eye-care reading.【4 Level Brightness 】Oumeiou reading light has 4 level brightness allows you could use for reading , working, caming and so on.【Rechargable Battery】The reading lamp built in Rechargeable 1200mAh Li-ion Battery, enjoy your wireless 20 hours reading without charging.【100% Satisfied Guarantee】Our LED clip book light comes with 60 days money back guarantee, 12 months warranty. If you have any problem, just contact us.