Power USB / USB

With the popularization of USB standard, more and more electronic device are designed to be recharged through USB interface. But it is still not convenient enough to use the fixed USB interface today, because they are not flexible and enough. The power USB is a flexible charger based on radio frequency non-contact technique. The inner processing chip may configure the voltage automatically. The charger can be fixed on any wire carrying current, so as to provide power for the device. The front of the USB will emit light if there is current flowing through the wire.