Endoscope apparatus

An object, for an endoscope apparatus having a non-contact type connector, is to provide an endoscope apparatus that allows downsizing the connector and maintaining a stable coupling state. The endoscope apparatus includes an endoscope and a processor. The endoscope includes a connector. The processor includes a slot into which the connector is inserted. The processor is coupled to the endoscope. The slot has a first length in a width direction intersecting with an insertion direction in which the connector is inserted and has a second length larger than the first length in the insertion direction. The slot includes a transmission coil for transmitting electric power on a side surface of the slot. The connector includes a reception coil that receives the electric power from the transmission coil on a side surface of the connector.