can reduce the vibration, isolate the interference from external noise, practical and helpful when using, Replacement Earbud; Replacement: can keep your ears from the cold metal, especially in winter, Accessories; Earbuds: you will receive 2 sets of replacement, sufficient quantity for daily replacement, Accessories; the replacement are used for hospital clinic, Earbud; replacement: they are and comfortable, and are helpful for your sound transmission, Accessory
What's in the box
6 x Stethoscope Accessories
