Xiaomi Air Charge claims it's capable of 5W wireless charging over several meters, but is it? TechSpot

Counterpoint: While it’s great to see innovation and the advancement of technology, this Xiaomi announcement is purely marketing hype and it will almost certainly never hit the market. From an engineering perspective, the efficiencies of these transmitters are so low that this device would likely require 1000W+ of input power...





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