1) Description: Wireless charger for smartphones under QI-Standard. Easy to charge your phone without cables, just place your phone on the charging plate ; 2) Specifications: INPUT- According to the printing on the back center of the charging plate. OUTPUT- 15W Max, compatible with the QI Standards. ; 3) Package contents: Wireless charging plate, Adapter or Power cable ; 4) Power supply: The charger is recommended to power by a qualified AC adapter ; 5) Operations: Connect the wireless charger to an outlet such as a qualified AC adapter, then a LED light is lighted. Put your phone on the charging plate, the LEDlight blinks during charging. If the phone doesn't start to charge, please try to reposition it.