The ring light is USB-powered. This USB-powered light requires a 5V adapter with a minimum current of 2A (e.g., 5V/2A, 5V/3A, or 5V/2A+ adapter)- not a laptop USB port (typically 5V/1A). 3 Color Modes, 10 Brightness Levels: Whether you're streaming, shooting videos, or snapping photos, this desk ring light offers 3 color modes-white, natural, and warm-and 10 brightness levels for a total of 30 combinations. Effortless 360° Phone Rotation: Achieve the ideal angle effortlessly with a fully rotatable overhead phone mount offering 360° horizontal rotation and 180° tilt. Whether you're snapping selfies, live streaming, video calling, or recording, this selfie ring light with arm stand ensures flawless positioning every time. Wireless Remote Shutter Control: Simplify your workflow with the wireless remote shutter, compatible with iOS and Android devices. Effortlessly capture photos or start recordings from a distance, adding convenience to your creative projects. Overhead Ring Light with Stand: Elevate your content with professional-quality lighting from our overhead ring light with phone holder. Engineered for creators, it delivers soft, even illumination that highlights your subject beautifully while eliminating harsh shadows. Color: Black Material: Metal Package Contents: 1*Ring Light 1*remote control