Here One makes three Bluetooth connections with your device: the first one is for streaming audio (music, podcasts, phone calls, etc.) from your device to the Here Buds - this is listed as "Here One" in your device's Bluetooth settings. The second two connections allow the Here One app to control each Here Bud and enable filters, Real-World Volume Control, directionality, etc.. These two connections (one for each bud) are listed in your device's Bluetooth settings as H1RxxxxLE and H1LxxxxLE.
Here’s a handy chart to help with this: