duplex® 2.0 from Riester is distinguished by outstanding acoustic
performance and comfort during the auscultation of adults, children,
babies and newborns.
* Innovative acoustic system with extraordinary auscultation for all
* Precision double chest-piece made of stainless steel or Aluminium.
* Special membrane for precise acoustics, Ø 44 mm (1.7 in), with novel
non-chill rims for improved comfort on the skin.
* Anatomically shaped binaural with internal multiple spring for adjusting
the contact pressure.
* Extra-soft, replaceable and pivotable ear-tips for perfect sealing at the ear canal and enhanced wear comfort.
* Total length: 74 cm (29.1 in).
* Weight: 97 g (3.4 oz) aluminium.
搶先去評價「“KWDS” 吸唾管/吸水管 (標準頭) (1000支/箱)」吧