This table lamp is built with led light of high-quality and environmentally friendliness. Compared with traditional bulbs, led lights are featured brighter light, a longer lifespan lasting to 50000 hours, 30-70% less power consumption, and resistance to shock and vibrations. No bulb replacement, less maintenance trouble. Built-in 1 USB port and 1 type c port, bedside lamp supports 5v/3.6a,9v/2.5a and 12v/2a auto-adaptive, suitable for your mobile phones, tablets, kindles, iPad etc., protecting overvoltage, overcurrent, short circuit and other safety protection. No more worry about not having enough wall sockets bedside.