PLEASE NOTE: We strongly recommend using a 2A adapter/Power Source for the best results.</br>Wireless Charging: Starts the moment you place down any Qi-enabled device or device equipped with a Qi-compatible cover. No cables or USB interface required. Input: AT LEAST 5V/1.5A; Output: 5V/1A</br>This protable and light-weight Qi standard wireless charger pad is fit for various kinds of smartphones which is Qi-marked. Its usage is very simple what you need to do is just putting the charging machine with QI-marked in the charging area then it will start to charging persistently. You will find it a good solution for your convenient digital life.Please read the User Manual carefully before use.Some of the smartphone need an extra receiver module such as iPhone Samsung Galaxy.</br>It's normal for the pad and phone get warm slightly during inductive charging and they may get even warmer if you use your phone during charging for example using GPS or playing games music etc.PROTECTIVE CASES is suggested to be REMOVED during charging</br>What You Get: Yootech Qi (Single-Coil Qi Wireless Charger) Micro USB cable welcome guide lifetime warranty and friendly customer service.</br></br>Product Description</br></br><b>YOOTECH QI Wireless Charger</b> <br> <br>Yootech Qi wireless charger works with any Qi-enabled devices through a QI-compliant adapter or a QI-compliant embedded chip <br> <br>Power Source: AC Adapter with micro USB port plugs into wireless charging pad <br> <br> <b>Specifications:</b> <br> <br>Input: DC 5V/1000mA to 2000mA <br> <br>Output: DC 5V 1000mA (MAX) <br> <br>Frequency: 100 to 200 KHz <br> <br>Wireless distance: < 5 mm <br> <br> <b>Features: </b> <br> <br> 1.Indicator Lights: <br> <br> - Green LED Indicator is on:Wireless Charging Now <br> <br> - Red LED Indicator is on:The mobile is not in effective charging area??please adjust the Devices position to the