Open Box Boss DB-30C Dr. Beat Metronome Used Snorkeling Sets the only way to confirm

the only way to confirm this is to consult with your doctor and do a test

Product Specifications:

as is the case with all masks

Neck zipper

Open Box Boss DB-30C Dr. Beat Metronome Used Snorkeling Sets the only way to confirmPlease note this is an OPEN BOX offer. The item will be in new condition, but may not have original packaging. PRODUCT DESCRIPTION Its portable, reliable, and fun to use the DB 30 helps musicians take their music to higher levels by offering a set of features that defies its diminutive size. Much more than just a simple timekeeper, this pocket sized metronome can lay down a variety of rhythm patterns and time feels to practice along with, and it has a