Unlike traditional buckle holes that might be "too tight" or "too loose," this feature uses a high-strength magnetic tab that slides through a loop. It allows you to tighten the band to the exact millimeter, ensuring the heart rate sensor stays flush against your skin without cutting off circulation—perfect for those whose wrist size fluctuates during a workout. If you'd like to narrow it down, let me know: Which Fitbit model do you have ( Go to product viewer dialog for this item. Go to product viewer dialog for this item. Go to product viewer dialog for this item. Do you prefer sporty or dressy ? Do you have sensitive skin or allergies to certain metals?
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: Uses a magnetic clasp for a "perfect fit" and gives the tracker a jewelry-like look. Unlike traditional buckle holes that might be "too