【Speedy Output】2W output power for Apple Watch series 1/2/3; 7.5W output for Apple iPhone X / 8 / 8 Plus, or 10W output for Samsung Galaxy S9 / S9 Plus / Note 8 / S8 / S7, or standard 5W output for non-fast wireless charge supported phones. Please Note: for activating FULL Charging Speeds, QC 3.0 USB wall charger(adapter) may be necessory.(charge with phone case no more than 0.8mm) 【Ultra Slim Design】 Non-slip pad; pocket size. Delivers a modern, premium appearance, making this iPhone Samsung QI wireless pad simple and fashion. Tangle free for phone charging and lightweight for convenient carrying. 【Universal compatibility】 Compatible with Apple Watch 3/2/1 and any QI-Enabled devices like Phone X, iPhone 8 / 8 Plus, Samsung Galaxy S9 S9 Plus, Note 8, S8, S8 Plus, S7, S7 edge, S6, S6 edge, S6 edge plus, Note 5, Google Nexus 4/5/6 etc. Wireless charger won't work with metal case and phone case thickness exceeds 3mm.(PLEASE NOTE: This wireless charging pad supports one Apple Watch Series 3 / Series 2 and one Qi-Enabled phone to be charged simultaneously. )