Y Tech Wireless Charging Pad- Wireless Charger iPhone X 8 8 Plus- Wireless Charging Station Samsung Galaxy S9 S8+ Plus S7 Edge S6 Edge-QI Wireless Charger- QI Wireless Charger- Gold RECOMMEND TO USE "YTech USB Wall Charger" thus avoiding working problem is due to the unstable current from USB ports (https://www.amazon.com/dp/B07692Z6Z5) COMPATIBLE WITH devices that support standart QI wireless charging: IPhone 8/8 Plus/ IPhone X- SAMSUNG Galaxy Note 8, S8, S8 Plus, S7, S7 Edge, S6, S6 Edge, Nokia 9, Huawei Mate 10, Nexus 4, 5, Lumia 920 and other Qi-Enabled devices. (DOES NOT support APPLE WATCH) NOTE: If your phone does not support QI Wireless charging, we recommend to use YTech QI Receiver for IPhone (for models: 7Plus/7/6Plus/6s/6/5/5S/5C) or QI Receiver for ANDROID (Samsung Galaxy S5/S4/S3/J7 Galaxy Note 4/3, LG Optimus Vu2/LG G2/LG G4 and other) EASY TO USE: Just place the cell phone on the wireless charging pad and enjoy the wireless and limitless charging of your device! Make sure that your cell phone supports QI Wireless Charging and it is located at the center of the charger 100% SATISFACTION GUARANTEE  YTech provides a 100% satisfaction guarantee and is happy to assist with any refunds or exchanges WITHIN 60 DAYS!