Emerson 20 Inch Desk Lamp by Adesso Emerson Desk Lamp by Adesso - 5131-21 The Emerson Adesso Charge Table Lamp is a mid-century modern style table lamp 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 Adesso 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 Adesso 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. Adesso Charge is unique in that you can use the Adesso Charge pad the USB and the light all at the same time with maximum efficiency of all three. A simple rotary switch located on an adjustable globe shade turns the lamp on and off. A sleek Adesso Charge pad design that is flush with the surrounding area provides an attractive charging station with easy access to your phone while its charging. Just plug in the lamp and the charger will work. The light on the lamp does not even need to be turned on. This wireless charging pad will charge your phone through most materials do you do not even need to remove your case! Only metal will hinder the function of the charging pad to charge through the case. If your smartphone doesn't support Qi wireless charging you will need to purchase a Qi compatible case which is sold through a variety of retail channels. Or you can also charge your smartphone with the USB port that is also included in the lamp base. â?¢Compatible with Apple i Phone 8 / 8 plus / X / Galaxy Note 8 / S8 / S8 plus / S7 / S7 edge / S6 / S6 edge / S6 edge+ / Nexus