You can see several wireless charging transmitters with QI standard in the market now, QI standard is released by Wireless Power Consortium. The advantage of wireless charger is quick-acting charging, you just need to put your phone on it, and then the phone will get full of power through the magnetic induction. A superior and rapid charging experience without any wires, it is ideal for travelling. However, the wireless charging technology isn’t stable enough now, the speed of it is slower than wired charging. Another problem is heat problem, and it directly leads to the slower charging speed, so what is your comment on wireless charger?