On the Forerunner 945, while playing music, the Bluetooth connection to the headphones and chest heart rate monitor stops working. This occurs approximately 3-5 minutes after the start of GPS training. After this, for about 10-15 minutes, the watch does not see the chest heart rate monitor and Bluetooth headphones and cannot establish a connection with them. What's the problem? Apple headphones Bluetooth connection. Chest heart rate monitor Polar H10 ANT+ connection.
