Use your thumb and index finger to hold the housing part of the headset unit (C).
Insert the driver unit part of the headset unit (B) so that it covers the lower part of your ear opening (E).
3
Push the housing part of the headset unit (C) into your ear groove (F).
By twisting the headset unit when putting it on, the housing part can be fit into your ear more easily.
4
Fit the fitting supporter (A) into the top of your ear groove (G).
5