Infinitely dimmable with 3 lighting modes: This reading lamp offers three color temperature settings—cool white, warm white, and mixed white (3000-6500K). The brightness is fully adjustable, allowing you to customize both light color and intensity to suit your preference. 9 LED bulbs with battery indicator: Equipped with high-quality, glare-free, and flicker-free LED lights, this clip-on lamp provides optimal eye protection during reading. The clamp features four indicator lights to display the current battery level at a glance. USB rechargeable with large capacity battery: The lamp has a built-in 1000mAh high-capacity rechargeable battery, providing 5 to 7 hours of continuous use on high brightness and up to 60 hours on low brightness. Fully rechargeable in approximately 2 hours using the included USB cable for convenient, on-the-go use. Simple one-button operation: All functions are controlled with a single button. Press once to turn on in mixed white mode, twice for cool white, three times for warm white, and four times to turn off. Adjust brightness by pressing and holding the button. Slim and portable design: Lightweight and compact, this LED reading lamp is flexible and foldable for easy storage and transport. Ideal for travel, camping, or nighttime reading in various settings.