Barnes & Noble and its Nook may be the subject of many a rumor of late, but that's not stopping the tablet-maker from its business -- which now includes Bluetooth speakers, apparently. We just spotted this previously unseen bad boy lurking in the FCC's antechambers packing the 2.4GHz Bluetooth bands and a rechargeable battery. That'd give some portable audio accompaniment to your Nook HD or other Bluetooth device (like the iPhone and iPod it was also tested with), though we're not sure how B&N's plan
