ITEM NAME:Wireless Charger Circuit Board Micro USB High Power for Quick Charging Description: Wireless charger PCBA circuit board, allows to charge for phone itself supports wireless charging. Better for DIY, you can give it a case (not too thick) or fix it on your furniture or other devices, but please note the transfer efficient distance is only 5-10mm. High power, quick-acting charging. Over 75% high-efficient energy conversion. Thin, lightweight, safe and reliable. Specification: Interface: Micro USB Light Indication: Breathing Light Distance: 5-10mm Input Current: 9V 1.67A Charging Current: 1000mA Wireless Charging Output: 9V-1A Conversion Rate: 75% Working Frequency: 110-205KHZ Wireless Charging Conversion Efficiency: 75% Compatible with QI Standards: WPC1.1 Protection Measures: over current, over temperature, short circuit protection Coil Size: 84.9x73.9x2.85mm/3.34x2.90x0.11inch Package Includes: 1 Piece Wireless Charger PCBA Circuit Board with Coil DIY SKU: DMO0017282951022940.Wireless Charging Output: 9V-1A. Interface: Micro USB. Wireless Charging Conversion Efficiency: 75%. High power, quick-acting charging. Over 75% high-efficient energy conversion. Charging Current: 1000mA.