MZ3 Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 Add to compare MYZONE MZ-3 Physical Activity Chest Strap Heart Rate Monitor – Fitness & Activity Tracker Added to wishlistRemoved from wishlist 0 Add to compare $149.99 Original price was: $149.99.$109.99Current price is: $109.99. 27%