Sound directing device for a mobile telecommunication device having microbial barrier properties

A method of communicating through a communication privacy device, the communication privacy device comprising:

• a cup-shaped mask configured to fit over a user's mouth and having (i) an inner wall surface, (ii) an outer wall surface, and (iii) an opening;
• a noise absorbing material lining the inner wall surface;
• a transfer tube having (i) only two openings, (ii) a continuous inner surface, (iii) a continuous outer surface, (iv) a first end connected to and in communication with the opening of the cup-shaped mask, and (v) a second end configured to be located near a receiver of a mobile phone, intelligent personal assistant or computer, the transfer tube being open to atmosphere at the second end and configured to convey sound to the receiver via an air gap located between the second end and the receiver;
• and
• a filter covering the opening of the cup-shaped mask,
• the method comprising:
• positioning the second end of the transfer tube of the communication privacy device near the receiver, without physical connection to the receiver, and
• conveying sound to the receiver via the air gap, the air gap being open to atmosphere.