Descriptions Product parameters: Model: JY-838A Input: 9V/1.7A Output 9 V 1.2A Transmission distance: 5-8mm Conversion efficiency: 73% Product size: 155 x 72 x 12MM Executive standard: QI wireless charging standard Interface: Micro USB Material: abs+metal Specification Dimensions and Weight Product weight: 0.1200 kg Package weight: 0.1350 kg Package Contents Package Contents: 1 x Wireless Charging, 1 x Micro USB Cable, 1 x English Manual