How do I pair with my scanner?

BLE mode app connects directly to Bluetooth device the only OS that needs to PAIR the BLE device before app connects is Windows (depending on what app is used)

SPP & HID mode pairing is done in the OS Bluetooth settings app

MFi mode pairing is done in iOS Bluetooth settings app

Bluetooth Low Energy (BLE)Bluetooth Low Energy (BLE)
Bluetooth SPPBluetooth MFi
Bluetooth HID (“keyboard mode”)Bluetooth HID (“keyboard mode”)