Product Review

Works with any Qi-enabled devices through a QI-compliant adapter or a QI-compliant embedded chip
Power Source: AC Adaptor with micro USB port plugs into wireless charging pad
The distance between wireless charging pad and receiver should not exceed 8mm
The input current should not be less than 1000mA to keep high energy efficiency
Specifications:
Input: DC 5V 2000mA
Output: DC 5V 1000mA (MAX)
frequency: 100-200KHz
Wireless distance: 5 mm-8 mm
QI Charging Devices compatibility list:
1.This Wireless Charger Pad works with fully QI-ENABLE devices
-Nokia Lumia 920/928:QI charge built-in
-HTC 8X, HTC Droid DNA, HTC Rzound, HTC Incredible 4G LTE: QI charge built-in
-Moto Droid Maxx, Droid Mini:QI charge built-in
-Google Nexus 4, Google Nexus 5, Google Nexus 7(2013):QI charge built-in
-Pentax WG-III camera: QI charge built-in
2.It also works with device equipped with a Qi-compatible receiver:
-Samsung Galaxy S5/ Note 3/S4/S3/Note 2 :QI wireless charge receiver required
-iPhone 5C/5S/5/4/4S: External receiver required
-Nokia 925, Nokia 720:QI wireless charge receiver required
-Nokia 820: External receiver required