Setup:
        $> rfkill unblock all
        $> btmgmt le on
	$> systemctl start bluetooth
	$> hciconfig hci0 up
	$> hciconfig hci0 reset
	$> hcitool lescan
Search for MAC addresses around:
	hcitool lescan
enumerate the MAC
	bleah -b 11:22:33:44:55:66 -e