To determine your Mac's Bluetooth version
- Go to Apple menu
- Click About This Mac
- Click on the System Report
- Select Bluetooth
- Find "LMP Version."
LMP Version should say 0x6. Anything lower than that is an older version of Bluetooth.
You can also access this information with a terminal command.
Open up a terminal and type:
system_profiler SPBluetoothDataType | grep LMP
The Bluetooth 4.0 requirement would make the following Mac models Handoff-compatible: the mid-2011 MacBook Air, mid-2012 MacBook Pro, late-2012 iMac, mid-2011 Mac mini and late-2013 Mac Pro and above.