An air cleaner according to an embodiment of the present disclosure includes: a main body including a main fan configured to generate air flow, a discharge part through which air passing through the main fan is discharged, a wireless power transmitter disposed on one side, and a power supply connected to the wireless power transmitter; and a flow switching device movably provided on the one side of the main body, wherein the flow switching device includes: a first guide tool configured to guide a first direction rotation of the flow switching device; a second guide tool configured to guide a second direction rotation of the flow switching device; and a wireless power receiver configured to supply power to the first guide tool and the second guide tool.