The Xiaomi mi air charger how are they going to deal with the in air static electricity charge. But energy has to go somewhere. Even if you are not around. And your electric power bill is going to go up and everyone is trying to save the planet and wasting energy is not the way to go.,(reply>), Renewable energy is on the rise and if every switches to Renewable energy it won't really matter. And the device will probable be really expensive and mostly used where a lot of people will be like maybe shopping malls and airport's