3 Color Modes: The reading light has 3 brightness levels: warm 3000K, warm white 4000K, and cool white 6000K. The neck light features a stepless dimming function for each arm, allowing you to use different combinations of light settings to suit your needs. Warm light for reading before bed; warm white light for studying; cool white light for knitting, crafting, precision sewing, or crocheting. Eye-Friendly Reading Light: Our book light has a large, rotatable LED panel, similar to a desk lamp, providing even, soft illumination. Our neck light for books is flicker-free, with no shadows or glare, helping you avoid eye strain and fatigue. Choose our LED reading light for book lovers or bookworms for comfortable and enjoyable reading. Rechargeable, adjustable, dimmable, with memory: The built-in 1800 mAh battery offers up to 80 hours of operation (depending on the lighting settings). Choose from 3 color temperatures (warm, warm white, cool white) by pressing the power button, or hold the