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Ergonomic Touch Button: Effortlessly switch between 3 color modes (white, warm white, and natural white) and 5 brightness levels
Energy Efficient, Long-Lasting Bulb: Class A energy saving LED bulb lasts up to 50,000 hours under normal use
Automatic Memory Function: Easily maintain your favorite settings; the lamp automatically selects the brightness level you chose before. The brightness and mode of the last use can be memorized in case of constant power, but cannot be memorized after unplugging the power
Lightweight and Adjustable: Multi-joint arm for ultimate functionality; sleek, compact form for easy positioning in any environment
Convenient Dual Power Supply: Power via USB cable or AC adapter for use anywhere, any time. You can use the mobile power to power the desk lamp, but the lamp itself does not have a battery