Hair dryer

A hair dryer, comprising:

• a main body including a front end;
• an outlet provided at the front end and through which fluid is discharged;
• a first coupler provided at the front end;
• a wireless power transmitter provided on the first coupler, including magnetic induction coils for wireless power transmission, and configured to wirelessly transmit power;
• a handle extending from the main body;
• and
• a diffuser, including:
• a case having a rear end configured to be removably coupled to the main body;
• an inlet provided in the rear end of the case and configured to receive fluid discharged from the outlet when the rear side is coupled to the main body;
• a second coupler provided at the rear end and configured to be coupled with the first coupler;
• a wireless power receiver provided on the second coupler, including magnetic induction coils for wireless power reception, and configured to wirelessly receive power transmitted from the magnetic induction coils for wireless power transmission when the first and second couplers are coupled;
• a proximity sensor to measure a distance from a target located in front of the case;
• and
• a controller configured to control a light to irradiate light when the distance from the target measured by the proximity sensor is equal to or less than a predetermined distance.