Dimmable LED table lamp with 3 lighting modes: warm light (3000K), warm white (4500K) and white light (6500K). The built-in controller makes it easy to turn the device on and off and switch to the lighting mode that suits your different uses. Made from high-quality LEDs, the LED reading light does not flicker or dazzle. It protects your eyesight and reduces eye strain caused by long hours of reading. This clip-on LED ring light provides fill light that's soft enough to use as a computer light for video conferencing and zoom meetings. The gooseneck arm can be bent to any position. which shape to adjust the light direction. Heavy-duty metal clip opens 5.1 cm (2 inches) to easily attach to tables, desks, or bedside tables. Non-slip pads protect your furniture from scratches. If the arm is bent to the right shape, the clip can stand on the table by itself. Suitable for most devices that support USB ports, such as mobile devices, laptops, etc. USB chargers, power adapters, PCs and laptops with 5V2A output (adapter not included). Please loosen the USB port when not in use to avoid overheating and damaging the lamp or USB port.