1.Product Standard : Qi Standard；
2.Input voltage:  DC 5V/1.5A
3.Charging voltage/current: DC 5V/1000mA
4.Charging Frequency: 110-205 KHZ
5.Wide charge range：3 coils, Mobile phones can be charged in any position
6.Charging distance: 4~8mm                                                                                                                                               
7.Compatible Brand: Nokia Lumia 920, LG Nexus 4,Nexus5， Galaxy S3, Note 2,Note 3, Galaxy S4，Galaxy S5 with receiver case, etc. 
8. ;Gross weight:298g;