If it is the direct back of the mobile phone with built-in wireless charging function close to the launching surface of the charging treasure, the charging treasure generally has a switch, which should be opened. If the phone itself does not support, you need to connect an external wireless receiver
Wireless charging treasure, as the name suggests, is a charging treasure with wireless charging function, no longer need wires, as long as the mobile phone with wireless charging function can be charged on the charging treasure!