ITEM NAME:5V/2A 3 Coils Qi Wireless Charger PCBA Circuit Board Coil Charger Universal ME Specification: 100% brand new and high quality Size: As picture shows Input Power: DC5V ± 0.25V / 2A Output: 1A Charging Efficiency: 75% The Transmission Distance: 2-8mm The Implementation of Standards: Qi wireless charging standard Product Certification: CE / FCC / ROSH Fine workmanship and stable performance. Long service life. Package included: 1 x Wireless Charger Transmitter Module Coil PCBA Circuit Board Note: Due to the hand measurement, there have size error about 1-3cm Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.Input Power: DC5V ± 0.25V / 2A. Charging Efficiency: 75%. Long service life.