 |
| |||
| otophone; ear trumpet (для тугоухих); hearing trumpet (КГА); ear-trumpet (для глухих); trumpet; conversation tube (для слабослышащих Lana Falcon) | |||
| listening tube | |||
| watch case receiver | |||
| magnetic receiver | |||
|
| |||
| otophone; ear trumpet (для тугоухих); hearing trumpet (КГА); ear-trumpet (для глухих); trumpet; conversation tube (для слабослышащих Lana Falcon) | |||
| listening tube | |||
| watch case receiver | |||
| magnetic receiver | |||