3 Modes with 10 Brightness Dimmable: clip on lamp 3 color temperatures (warm light, warm white, cool white), each with 10 brightness levels to choose from. Warm light creates a warm and peaceful atmosphere, perfect for sleeping or relaxing at night. Cool white light, on the other hand, is more suitable for working, reading or studying. Provides the ideal lighting effect for different activities..Eye Protection & Memory Function: clip on light uses advanced light-emitting technology with 56 LED chips to ensure stable, flicker- light and block 99.95% of harmful blue light. Ring design without shadows, uniform and soft lighting. The gooseneck light supports power-off memory function to restore the last lighting mode, which is convenient to keep personal habits..Sturdy Clamp & Flexible Gooseneck Lamp: clip light's scratch-resistant foam opens up to 6 cm and clips perfectly onto a variety of flat surfaces. 360°flexible gooseneck tube can be adjusted at any angle to meet different lighting needs. Suitable for photo and video editing, bedside reading, learning, crafts and various other activities..USB Powered & Energy Saving LED: clamp lamp is equipped with a 59-inch long USB cable for easy connection to various power supply methods, including laptops, desktops, USB sockets and USB adapters. Compared with traditional incandescent lamps, our clip-on lamp can save up to 80% energy, thus effectively reducing the electricity bill..Warranty Service: brand has a professional after-s team, and we promise to refund or replace products within six months, and provide warranty within 2 years.