This desk lamp is an adjustable， tech-savvy and multi-functional LED task light that includes a wireless charging pad with Qi inductive charging technology. The slim， space-saving silhouette in brushed steel focuses a beam of light on the task at hand. Many smartphones (list below) have Qi technology built-in， so just place your phone on the pad and it will charge. The enhanced tech pad supports 5W charging on contact with the charging pad， which gets your phone from 0% to 100% in just 4-5 hours， depending on your phone model. 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. A USB is located on the base and can charge up a second device simultaneously. This desk lamp is unique in that you can use the enhanced tech pad， the USB and the 7 Watt LED light all at the same time with maximum efficiency of all three. A simple on/off rotary switch on the base turns the light on and off. Compatible with Apple iPhone 8 / 8 plus / X / Galaxy Note 8 / S8 / S8 plus / S7 / S7 edge / S6 / S6 edge / S6 edge+ / Nexus 4 / 5 / 6 / 7 / LG G3/ Microsoft Lumia 1520， 1020， 930， 929， 928， 920