The mi air charge is a new wireless charging technology developed by Xiaomi. It uses a remote transmitter to wirelessly charge devices at a distance of up to 4 meters. The technology is based on radio frequency (RF) and can charge multiple devices simultaneously. The mi air charge can be used to charge smartphones, tablets, laptops, and other devices that support Qi wireless charging. The transmitter can be placed on a table or desk, or mounted on a wall. The mi air charge is currently in the prototype stage and is not yet available for purchase.