| How do the NFC-BB2i, NFC-BB2, and NFC-BB2e differ? | ||||
| NFC-BB2i | NFC-BB2 | NFC-BB2e | Notes | |
| Bluetooth SPP | Yes | Yes | No | Uses SerialMagic |
| Bluetooth HID | No | Yes | No | Works on iOS like a keyboard |
| Made for iOS (MFi) | Yes | No | No | Requires special iOS app to use this mode* |
| Bluetooth Low Energy (BLE) | No | No | Yes | Requires special app to use this mode* |
