Utilizing the Qi global standard for inductive charging, you can now charge your Galaxy Note 4 phone without the need to plug in.</br>Once the battery cover is installed, simply place your device directly onto the Samsung Wireless Charging Pad (sold separately) and your phone begins to charge.</br>Lightweight, does not add weight to your phone.</br>Simple design, does not affect the appearance of your phone.</br></br>Product Description</br></br><b>Attention: Many people buy wireless case cannot be used, They are not the OHPA provides. Please select OHPA send before buying, thank you!</b><br><br> Specification: <br> <br> - Voltage:5 V Input Current:1A <br> - Compatible with Samsung Galaxy Note 4 <br> - Output : 650mA, 5V <br> - Color:Black, White <br> - Back Cover Size : 76.5*151*2.6mm <br> Package includes: <br> 1X Wireless Charging receiver Battery Back Cover</br><br/>http://www.amazon.com/gp/product/B01DB89ACG