Wireless Cordless Power Receiver Pad For Samsung Galaxy S4 i9500
Charging type: battery (one-to-one charging )Charging frequency: 100-200kHzWireless distance: 5mmContour dimension :62*46*1mmElectric energy transition: ≥72%Charging voltage : 5VReceive electric current : 500mA-1000 mAhHow to use:1) Stick the tag with the 2 metal connectors facing downwards to the 2 metal connectors next to the battery on the S4.2) Place the back cover and firmly press it back to original position.Package Included:1 x Qi Wireless Charger Receiver for S4 (Charger and phone not included)