Check out the latest Halo Sport firmware updates.
Firmware release notes
Release date: September 16, 2019
If you are returning to a previously paired device, you no longer need to “forget” it from your Bluetooth settings. Halo Sport 2 will remember up to 8 different devices.
To switch between paired devices, hold down the center button for about 7 seconds until it starts flashing rapidly, then tap the Halo logo button on your home screen to reconnect to it
Enhanced battery management.
Improved recovery after poor contact situations.