these devices are not paired yet, so no need to delete. it's just what other devices your omni found at that moment. try it at a different place, you will see other id's.
about your iphone. are you sure, you selected it to be visible for other devices (in bluetooth settings)?
from internet:
"On your iPhone, go to Settings→Bluetooth and tap the Bluetooth button on.
The Bluetooth screen opens. Tapping On makes your iPhone discoverable, which means other devices with Bluetooth turned on can see your iPhone. The Bluetooth icon appears in the status bar.”