Connecting Bluetooth® Headphones

To listen to music loaded onto your Forerunner® 645 Music device, you must connect headphones using Bluetooth technology.

  1. Bring the headphones within 2 m (6.6 ft.) of your device.
  2. Enable pairing mode on the headphones.
  3. Hold UP.
  4. Select Music > Headphones > Add New.
  5. Select your headphones to complete the pairing process.