9 LED & 3 Light Modes The reading light has 9 LED beads, with 3 working modes (3000k-6500k) and multi brightness levels. By simply click the button on top, you'll get cool white/ warm white/ comination of cool white & warm white. And when you put your finger on the button with some presure (no click), you can change the brightness level. no flickering & no dazzling It is a great book light for reading at night in bed. No Flickering and no dazzling, this reading lamp relieves fatigue in your eyes even if you read for hours. You can enjoy reading while no worries about disturbing others around. USB Rechargeable, Eco-friendlyWith built-in 1200mAh rechargeable lithium battery, this night lamp provides you with longer hours wireless reading experience without charging. The battery of our book lamp is extended. Also, no need to pay for any battery, it's more convenient, economical and eco-friendly. Portable & 360 Flexible NeckSmall and compact design, our booklight is easy to carry to camping, travel and anywhere you go. The small light has a 360 flexible rotating neck, you can adjust it easily to any position. First clip onto your book, then set the light to the best angle for you to read. Perfect Gift ChoiceThe eye protecting mini lamp is useful and handy. It would be a perfect gift choice for you. Its good to give to school students, bookworms, teenagers, adults and elders. Not only does the light good for reading, but also can be used as a backup light source.