5 Year guarantee.

Unique dual membrane chest piece that amplifies frequency spectrum of pathological sounds from 20-2000 Hz.

Full auscultation so no need to switch heads.

Dual membrane acts as a filter for low frequency vibrations.

Insulated twin channel tube prevents transmission fading & excludes disturbances.

Soft and hard ear tips (pack of each)

Anti chill ring

CE approval for medical devices.