- Dual head chest piece for adult ,Anodizing chest piece the 48mm membrane is sensitivity for sound collecting,

Applicable for auscultating of the heart and lungs.

- Dual head chest piece for child ,Anodizing chest piece the 38mm membrane is sensitivity for sound collecting,

Applicable for auscultating of the heart and lungs.

– the small bell-like chest piece is used for auscultating  slight and low frequency sounds.

- Aluminum alloy chest piece good sound conduction.

- Standard single PVC tube , color is optional.