USB Desk Lamp Clip On Light Gooseneck Ring Light

USB Desk Lamp Clip On Light Gooseneck Ring Light  DC 5V, 2A or more for USB lamps. Simple to connect through PC, power supply, USB port, and adapter (not provided). To accommodate various lighting requirements, there are 4 Function Keys: on/off, color changing mode, brightness , and brightness-. Help you rapidly locate the bulb in the dark with a weak blue light. The light will remember the last setting if it is connected at all times. The feeble blue light and the ring light will automatically turn off after one minute if the on/off button is pressed for 2 seconds. Not rechargeable and without a battery