Tool to scan bluetooth devices on Mac OS X
bscan -t 5 -a -n
10-68-3f-5e-a2-ff Nexus 4
00-1f-5b-79-94-38 S4
c0-f8-da-bb-00-20 Broadcom Bluetooth Device
bscan [-a] [-n] [-t ]
a - print device's address
n - print device's name (if any)
t - scan timeout in seconds (default is 10)