Specifications Medical Promotional Gifts
1.Funny design
2.Customer logo available
3.Good for medical promotion/advertising
Multifunctional Pharmaceutical Promotion Features: 1.Super quality stainless steel components for extended professional use and super clear sound transmission
2. For Adult, deluxe type.
3. Feature"two-tubes-in-one design"and interior spring, non-chill rim for both sith of dual head chestpiece to assure patient comfort.
4. Comes complete with screw-on ear-tips
5. Spare parts includes:
1 Pair of comfortable firm eartips
1 pair of soft screw-on eartips
1 membrane. Works and functions: Increase the amplitude of vibration of the heart, increasing the loudness B. changes in heartbeat frequency, so the pitch bend C. Change the heartbeat sound, the sound nicely D. reduce sound transmission loss of energy during the
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