Product Description

Allow up to two hours to fully charge the battery. A full charge powers the headphones for up to six hours. The headphones will not play while charging.Note: Before charging, be sure the headphones are at room temperature between 41 degree Fahrenheit (5 degree Celsius ) and 104 degree Fahrenheit (40 degree Celsius )

Product 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+ 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 contact with the skin. If the sensor stops providing a heart rate measurement, try adjusting the left earbud and verifying bluetooth connection to your device. If that doesn’t restore function, wipe the sensor window with a damp cloth
• The Bose Connect app gives you real-time heart rate readings, and continually adds more functionality to your headphones;If the sensor stops providing a heart rate measurement, try adjusting the left earbud and verifying Bluetooth connection to the device. If that doesn’t restore function, wipe the sensor window with a damp cloth
• Works with popular fitness apps like MapMyRun, RunKeeper, Endomondo and Runtastic. Wireless range up to 30 feet. Five hours of wireless power from the rechargeable lithium-ion battery