The BlueAnt Interphone F4 is a Bluetooth communications system for motorcyclists. It pairs with up to 8 devices and connects to 2 phones at once. You can hear voice directions from your bike GPS, stream stereo via A2DP and control the player, voice answer and dialing from suitable phones and it works up to 180kph (110mph). It also acts as an intercom, allowing you to communicate with another unit up to 500m (1600′) away. The controller unit sits outside on the helmet and is easily removable, has large glove-friendly controls and is weather resistant. US$225
The innovative Stereo F4 Interphone Motorcycle Kit is a fully fledged wireless entertainment and communication system for bikers on the go. Wireless, water-resistant, windproof and world class, the removable and rechargeable BlueAnt Interphone F4 Stereo Motorcycle Kit can be used at up to 180 KM/h and is compatible with all Bluetooth mobile phones.