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
| Android | iOS |
|---|---|
| Bluetooth Low Energy (BLE) | Bluetooth Low Energy (BLE) |
| Bluetooth SPP | Bluetooth MFi |
| Bluetooth HID (“keyboard mode”) | Bluetooth HID (“keyboard mode”) |