Charge for ten minutes, call for two hours with UFO desktop wireless charger. Features: energy conversion efficiency >80%, fast and efficient internal addition of the magnetic isolation sheet, no harm to human health Heat dissipation design, low temperature charging built-in over-charging, over-voltage, over-current, over-load and short-circuit protection anti-slip silicone rubber circle at the bottom provides firm gripping ultra-thin, compact and lightweight design, Ideal for travel use Specification: Input: 5V/1A 9V/1.67A output: 5V/1A 9V/1.1A charging distance: 6mm conversion efficiency: 80%.