Yes, if you mean 'all devices you want to use handoff with'. n.b. As far as I can tell, phone calls are not 'Handoff' but 'Continuity' and you do not need Bluetooth for that functionality.
Yes, if you mean 'all devices you want to use handoff with'. n.b. As far as I can tell, phone calls are not 'Handoff' but 'Continuity' and you do not need Bluetooth for that functionality.