Altec Lansing recently introduced its BackBeat 903/6 Bluetooth headset at the currently ongoing Macworld Expo and will also display them at the CES show later this week. The headset, developed with cooperation from Bluetooth earpiece maker Plantronics, stays in place thanks to the use of both ear canal-sealing ear buds and ear hooks. Plantronics' dual-mic AudioIQ technology is incorporated into th
