Charge Two Phones Charge up to two smartphones by simply setting them down. Advanced Qi wireless charging technology enables you to charge your device without plugging in a cable.† Charge a Phone and a Smartwatch The Wireless Charger Duo can charge your Samsung smartwatch** too. Gear S3, Gear Sport, and Galaxy Watch can charge in the same location as your phone by simply placing your watch on the charging pad. Fast Charge With a Galaxy S9, Note9 or other compatible Samsung smartphone, experience up to 7.5W Fast Charge wireless charging output.* Simply place the back of your smartphone on the charging pad and wait for the charging notification to appear. Qi certified The Wireless Charger Duo is Qi compatible meaning any Qi-certified products can take advantage of it, including the Samsung Galaxy S8, Samsung Galaxy Note8, Apple iPhone 8, and Apple iPhone X. Stay Cool A built in fan and vents keep your device and the charger cool for more efficient Fast Charging.