Handsfree means a bluetooth speaker phone. Loud and clear without having the ears plugged on a long messy wire. Quite fed up with the tangle wire and misplaced earpiece when I stumble upon this. Had it installed on the car visor. To answer, tab the "cannot miss" button . Control the volume with the big knob. Double tab to dial the last call made. Bought one for mum as she refused to use the earpiece as she finds them too troublesome.