Dynamic Innovations Motorcycle Helmet Bluetooth Communications Headset - Evolution V1 Wireless Motorcycle Helmet Intercom Communications Unit. Use with your Cell Phone, GPS, Listen to Music and Built In FM Radio. Use your phones Voice Commands, Voice Dialing and Text-To-Voice / Voice- To-Text (If Phone Compatable) Use Siri and Other Voice Commands on Phones (Iphone, Blackberry, Android) if compatible. Extended Range With Over 500 Meter of Bike to Bike Communications. Long Lasting Battery with Over 8 Hours of Talk Time! Play Music Via Built In FM Radio, or Play Mp3 Music Through Audio Input or Wirelessly Through Bluetooth