1.Product Standard : Qi Standard; 2.Input voltage current:adaptive 3.Charging voltage current: DC 5V 400-700mA 4.Charging Frequency:110-205 KHZ 5.Charging distance: 4~8mm 6.Compatible Brand: Note 7.Product size:57*62*1.2mm 8. Packing size:100*65*10mm; Gross weight:14g