I've got the T1 traffic module and seperate bluetooth so no use to me but seems like an absolute steal.
Suitable for F20,F30,F40&F50
From the site:
Bluetooth Hands-free Technology with Live Traffic Updates
Navman now introduces the power of Bluetooth hands-free technology and real-time traffic to your Navman F Series. You simply connnect the B2 plus module to the bottom of your window mount, pair your mobile with the B2 and you'll automatically have safe, hands-free calling using the Bluetooth technology in your mobile phone. You'll also have access to the latest real-time traffic updates to your screen. Combining these two technologies with deliver safe, stress-free motoring.
Maybe less with vouchers?!