The small light within the triangular Bluetooth button on the hub will alert you to what mode the hub is in. Please find the list of "flash patterns" below.
NO LIGHTS - The hub is not on. It has shut down to save energy. It will need to be turned on. To turn on the hub, press and hold the Bluetooth button until you see the first flash of blue light and release the button.
1 FLASH EVERY 1 SECOND - The hub is ON, but it is not connected to any Bluetooth device.
1 FLASH EVERY 3 SECONDS - The hub now has a Bluetooth partner. The hub knows it is paired with another device, but they are not yet actively "talking" to each other.
2 QUICK FLASHES EVERY 3 SECONDS - The hub is now in an active Bluetooth connection.....it is ready to "talk" to the other device.