Bose SoundSport Pulse Neckband Wireless Headphones Red 762518-0010 Description: Condition: New In Box Features: Built in heart rate sensor makes it easy to track your performance. Connectivity Technology: Wireless Bluetooth and NFC pairing so you can connect to your devices wirelessly StayHear and Pulse tips provide a secure and stable fit for your most intense workouts ; Sound sport pulse wireless headphones do not employ noise reduction technology; To ensure an accurate reading, the sensor window (located on the left earbud) should be in co