Multiple devices can be charged at 5W at the same time, according to Xiaomi. Physical obstacles apparently do n’t reduce charging efficiency.

Xiaomi says the technology will also work with smartwatches and fitness bracelets. Another goal is to make’living rooms truly wireless’.

Mi air charge technology works in the U.S. according to Xiaomi’s comments. He says the technology could be used for air charge.

A phase control array composed of 144 antennas transmits millimeter-wide waves directly to the phone through beamforming. The technology of Xiaomi’s remote charging lies in space positioning and energy transmission.

The receiving antenna array consists of 14 antennas. It converts the millimeter wave signal emitted by the charging pile into electric energy through the rectifier circuit.