Bluetooth versions.
Bluetooth 1.0b.
Bluetooth 1.1.
Bluetooth 1.2.
Bluetooth 2.0 + EDR.
Bluetooth 2.1 + EDR.
Bluetooth 3.0 + HS.
Bluetooth 4.0.
Bluetooth 4.1.
Bluetooth 4.2.
Bluetooth 5.0.
Bluetooth 5.1.
Bluetooth 5.2.
Bluetooth 5.3.
Bluetooth 5.4.
Other Bluetooth version.