xt4 Style does not have wireless charging. Radio wave type
This is a more mature technology, similar to the early use of ore radios, mainly composed of microwave transmitters and microwave receivers, can capture the radio wave energy bouncing off the wall, while adjusting with the load while maintaining a stable DC voltage. This method requires only a transmitter mounted in a wall plug and a \"mosquito\" receiver that can be installed in any low-voltage product.