Trying to communicate with other riders through hand signals is nonsense, and the G4 PowerSet will eliminate all the senseless hand jive.
Encased in a rugged body, it offers bike-to-bike exchanges up to one mile apart. The G4 also allows for multi-device connectivity including cell phones, A2DPs (Bluetooth stereo), FM radio and iPod/MP3 players. If you can think of a possible hands-free feature, the G4 Powerset likely has you covered.
$489.95
cardosystems.com