A method of providing a hearing instrument includes: providing at a manufacturer the hearing instrument with a firmware which comprises a plurality of selectable functional properties; distributing the hearing instrument from the manufacturer to a middleman, wherein the hearing instrument is configured to be programmed by a programming station at the middleman, wherein the programming station is configured for selecting at least one of the plurality of selectable functional properties according to an input from the middleman, wherein the programming station is also configured to program the firmware of the hearing instrument according to the selecting to provide a programmed hearing instrument; billing an end user for the programmed hearing instrument, wherein the billing reflects the selecting; and receiving, at the manufacturer, data regarding the selecting from the middleman.

A method of providing a hearing instrument includes: providing at a manufacturer the hearing instrument with a firmware which comprises a plurality of selectable functional properties; distributing the hearing instrument from the manufacturer to a middleman, wherein the hearing instrument is configured to be programmed by a programming station at the middleman, wherein the programming station is configured for selecting at least one of the plurality of selectable functional properties according to an input from the middleman, wherein the programming station is also configured to program the firmware of the hearing instrument according to the selecting to provide a programmed hearing instrument; billing an end user for the programmed hearing instrument, wherein the billing reflects the selecting; and receiving, at the manufacturer, data regarding the selecting from the middleman.

Disclosed is a glasses-type terminal including a display, a controller, a power supply, and a frame. The frame includes a main frame configured to mount to a front portion of a head of a user, a first sub frame connected to a first end of the main frame and configured to be received by a first ear of the user, and a second sub frame detachably connected to a second end of the main frame and including the power supply unit, wherein the first sub frame includes the controller and wherein the power supply unit is electrically connected to the controller when the first sub frame and second sub frame are respectively connected to the first end and second end of the main frame.

A method operates a hearing aid, which has a sensor, a microphone, and a receiver. Breathing difficulties of a wearer are inferred on the basis of measurement data created by the sensor and a measure for a risk is determined based thereon. An activity helping the wearer is carried out depending on the measure. Furthermore, the hearing aid is configured for carrying out the method.