Bluetooth activated through Windows 7:

~$ hciconfig
hci0:	Type: BR/EDR  Bus: USB
	BD Address: 00:1F:3A:D8:6A:79  ACL MTU: 1017:8  SCO MTU: 64:8
	UP RUNNING PSCAN 
	RX bytes:1233 acl:0 sco:0 events:43 errors:0
	TX bytes:446 acl:0 sco:0 commands:43 errors:0

~$ lsmod | grep bluetooth
bluetooth             247324  24 bnep,rfcomm,btusb

~$ lsusb | grep Bluetooth
Bus 003 Device 002: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth)
Bus 003 Device 003: ID 413c:8126 Dell Computer Corp. Wireless 355 Bluetooth