Mobile Phone 10W Round Wireless Charger $ 5.60 Product information: Name: KD-20 second generation Input: 9V/1. 67A 5V/2A Output: 9V/1. 1A 5V/1A Charging power: 10W 7. 5W Charging distance: 2-6MM. Conversion efficiency: greater than 70% Package weight: 73g Bare metal weight: 42g Product color: black, white, blue and red Product size: 100mm7.3mm Packing box size: 175110* 18MM Executive standard: QI wireless charging standard