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New Balance NB639B Fitness Evolved Sport Earbuds (Black)

2-in-1 Sport Earbuds with Removable Ear Hooks, Pedometer & Heart Rate Monitor (Black)

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• 2-in-1 Sport Earbuds
• Built-in 3D Pedometer
• One-Touch Heart Rate Monitor
• Chronograph Workout Timer
• Includes Removable Earhooks

Learn more about the nb639b

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This item has been discontinued


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Product Highlights


• 2-in-1 Sport Earbuds
• Built-in 3D Pedometer
• One-Touch Heart Rate Monitor
• Chronograph Workout Timer
• Includes Removable Earhooks

Description


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Authorized dealer

General Features:

  • Lightweight 2-in-1 Sport Earbuds
  • Includes removable earhooks
  • Built-in 3D pedometer
  • One-touch heart rate monitor
  • Heart Rate Monitor/Pedometer Charges & Syncs via USB
  • Chronograph Workout Timer
  • Set custom training profiles
  • Announces heart rate, caloric burn, steps taken and distance stats without pausing your music or your workout
  • Includes multiple sized eartips for comfortable fit
  • Comes with Heartpal software to graph exercise data
  • 1-year Manufacturer's Warranty

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Item Details


Manufacturer:

Model Number:

NB639B

Weight:

0.20lbs

Internal SKU:

nb639b

Internal Product ID:

65396

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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.