Protect Eyes & Help for Sleep 1).This Amber Book Light makes reading a pleasure with the least effort for your eyes. 2).The gentle amber hue light is 99.94% free of blue spectrum light to encourage the production of melatonin in the evening and reduce eye strain. 3).This amber reading light stimulates the production of Melatonin which helps promote sleep. More Details ON/OFF Switch with Dimmer * 1st press to turn ON white light. * 2nd press to turn ON amber light only. * 3rd press to turn the light OFF. **When light is ON, hold button to change the brightness level of each color. Built-In Lithium polymer rechargeable battery 1). The Book light is powered by 3.7V 200 mah internal Lithium polymer rechargeable battery. 2). If LEDs appear to be dim, this is an indication that you may need to recharge the battery. 3). Full charging time is approximately 2-3 hours. 4).You can use your computer to power the light. Plug one end of the USB cable (included) into the direct power port on the light. 6).Plug the other end into any USB port on your computer or other device with 0.5A output. The power indicator light will illuminate red. 7).When the USB cord is plugged in. The red led indicator will auto off once the battery is fully charged. NOTE: Please do not try to remove/replace internal Lithium polymer rechargeable battery as it is danger. Packing List - 1 x USB Rechargeable Bookmark Light -1 X Micro USB Cable - 1 x User Manual

• 🌈NON-FLICKER & EYE-CARE SOFT DIFFUSED LIGHT-No flicker, no shadow, no dizzy light, protecting your eyes from shining hurt and radiation. Never disturbed your partner during bedtime since the book lamp is just enough to illuminate the book.
• 🌈MULTI PURPOSE BOOKMARK LIGHT- This book light ideal gift for kids, adults and bookworms,can be also used as a bookmark. Perfect LED reading light for paperback books, magazines, bedtime stories, newspaper etc.

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