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 2.0 - With a Galaxy S9, Note9 or other compatible Samsung smartphone, experience up to 7.5W Fast Charge wireless charging output. Galaxy S10/e/+ can charge up to 12W with Fast Charge 2.0 Qi certified - The Wireless Charger Duo is Qi certified meaning any Qi compatible products can charge on it, including the Samsung Galaxy S8, Samsung Galaxy Note8, Apple iPhone 8, and Apple iPhone X. US Version: Comes with Quick Start Guide, and 1 Year Product Warranty (information on the retail package)