A medical device that is wirelessly powered by a resonant magnetic field, the device automatically coupling to a power transmitter in a control unit when brought within a threshold radius. In one embodiment, the control unit automatically identifies the medical device and automatically adjusts its settings to control the medical device, where the device and power transceivers may be provided detachable from either or both the endoscope/camera and camera control unit or may be provide integral to either one or both.