ITEM NAME:5V/2A 3 Coils Qi Wireless Charger PCBA Circuit Board Coil Charger Universal Z a.imagelink a:hover.imagelink {color:#db3606;.Input Power: DC5V ± 0.25V / 2A. Product Certification: CE / FCC / ROSH. The Transmission Distance: 2-8mm. Charging Efficiency: 75%. Output: 1A. Size: As picture shows.