The Duo package includes: two pods, three adhesive electrode pads (one rectangular and two round), two sets of lead cables (10 cm and 30 cm), two micro USB charging cables, and a protective case.

Bronchitis causes inflammation and swelling in the bronchial tubes, which connect the throat to the lungs. This inflammation makes it more difficult to breathe and can cause chest pain and pressure.

The procedure works in much the same way as a conventional bronchoscopy, by introducing into the lungs a tube with a camera at the end. Instead of a local anaesthetic, patients are given a general.