Stop fumbling with your charging cord over and over again. Just plug in the dock to power it up and place your compatible phone on top to charge. Not all phones wirelessly charge. Models that can include newer iPhones, Samsung Galaxy phones, LG phones and Google Nexus. Metallic items attached to the back of a phone or placed between the phone and dock can cause overheating. Please take care and follow all safety warnings on the packaging. 5W Charging Power.