2.Input: DC 5V/1A
3.Charging Power:DC 5V/500mA-700mA
4.Frequency: 100-200 KHZ
6.Apply to: Samsung Galaxy S4 i9500
Remove the adhesive tape .and stick the card to your galaxy s4 battery cover like this.
If need to change the battery cover ,please follow the link,and choose you`d like