1.Product Standard: Qi

2.Imput Voltage/Current: DC5V/1A

3.Charging Voltage/Current: DC5V/500mA-700mA

4.Working Frequency: 100-200 KHZ

5.Power Distance: 4~8mm

6.Color Available: White/Black, UV scratch-resistant oil injection

7.AC Adapter: American/European standard optional; CE/FCC certificated optional 

8. Compatible for: Nokia Lumia 920, LG Nexus 4, Galaxy S3, Note 2, Galaxy S4 with receiver card or receiver case, ect. 

9.Package size: 16.5*11.5*6.5cm,   G.W.(with package): 330g