SKU: CEC064 Feature: 1.100% Brand new and High quality 2.Works with all Qi compliant wireless charging pad 3.The most advanced technology for cellphone. 4.To charge your phone wirelessly. 5.Ultra thin and light weight design， NO need change your phone cover Specification: 1.Output voltage:5V 2.Output current rating:500-600mA 3.Charging time:4 Hours approx 4.Dimension:61.5 x 49 x 1.3mm 5.Charging efficiency: >70% How to use 1. Open the cover of your Samsung S3 phone， you will find there are 2 metal connectors， these 2 connectors are prepared for wireless charging 2. Peel off the paste stick on the wireless charging receiver and attach it to the 2 charging connector 3. Install the cover back to your Samsung S3 phone and put your Samsung S3 phone on your wireless charging pad， now it will start charging. *Please make sure your wireless charging pad/base compliant with Qi standard， otherwise， it will not work with this charging receiver. Compatible with: Samsung Galaxy S3 III I9300 Package include: 1 x Qi Wireless Charging Receiver