Classic Bluetooth v2.0 High speed bluetooth v3.0 Bluetooth low energy v4.0 (BLE) NB Android operating system only supports classic bluetooth v2.0. Ubuntu Linux OS also supports BLE.
The Bluetooth MAC address is not programmed. If you need a unique MAC address, follow this instruction. http://blog.petrilopia.net/hacking/change-your-bluetooth-device-mac-address/