In Pictures: 10 cool Bluetooth devices for your iP...
Helios bicycle handlebar
If you can use navigation in your car, why not on your bike? The $300 Helios Handlebar connects to your arm- or handlebar-mounted iPhone (an Android app is coming soon) via Bluetooth to provide navigation and an onscreen speedometer. Plus, it has controls for the Helios Handlebar's integrated headlight and turn signals.
In Pictures: 10 cool Bluetooth devices for your iPhone or Android