My Arthur LED Steel Desk Lamp with Charging is an adjustable, mid-century modern styled LED Task Light that includes a wireless charging pad with Qi inductive charging technology. Many smartphones (list below) have Qi technology built in, so just place your phone on the pad and it will charge right up. No cords, no mess. It’s that easy! All Charge product is Qi certified by the Wireless Power Consortium. Please visit https://www.wirelesspowerconsortium.com/products/search/ to see a list of Qi certified products. Our product has been tested and verified to be safe and in compliance with the Qi standard. The Charge pad supports 5W charging on contact with the charging pad, which gets your phone from 0% to 100% in just 3-4 hours, depending on your phone model. A USB is located on the base and can charge up a second device simultaneously. Charge is unique in that you can use the Charge pad, the USB and the 7 Watt LED light all at the same time with maximum efficiency of all three.