[9 LEDs & 3 Color Temperatures]: This reading light features 9 upgraded LEDs with a lifespan of over 50,000 hours, delivering more uniform illumination than standard LEDs. It offers 3 adjustable color temperatures (3000K, 4500K, and 6500K) to suit various activities such as reading, working, studying, sewing, camping, or relaxing. [Eye Protection]: Flicker-free and low-blue-light design helps reduce eye strain during extended use. [360° Adjustable]: Flexible gooseneck allows full 360° adjustment for optimal positioning. Ideal for bedside reading without disturbing others. [Non-Slip Clamp Stand]: Equipped with a non-slip silicone pad on the clamp base for secure attachment to books, desks, beds, or other surfaces. Lightweight at only 2.1 oz, compact and portable for travel or outdoor use. [Rechargeable Book Light]: Built-in 500mAh rechargeable battery provides up to 10 hours of runtime at low brightness. Charges via USB from any compatible power source (cable included). Color: Black Material: Plastic Package Includes: 1 x Book Light, 1 x USB Charging Cable Note: Actual product color may vary slightly due to screen settings and lighting conditions. Measurement tolerance: ±1–3 cm.