HiQ BTI Bluetooth Helmet Headsets (Set of 4) Mobile, GPS, Intercom (4 people, 4000ft), Built-in FM Radio

SET OF FOUR (4) BTI Bluetooth Helmet Headsets - Supports Mobile, GPS, Intercom (4* people, 4000 ft), & Built-in FM Radio. Supports Bluetooth-enable mobile phone and GPS simultaneously Headset-to-phone distance: Up to 33 feet (10 m) Talk time (between charges): Up to 7 hours Calling Features o Answer calls (manual or auto) o Refuse calls (manual or auto) o Last number dialing o Supports voice dialing Intercom Features o Full duplex intercom communication with up to 4 devices o Intercom distance: Up to 3,280 ft (1000 m) o Intercom devices supported: Up to 4 o All 4 devices can communicate via Intercom at the same time! * o Talk time (between charges) : Up to 6 hours Working speed: Up to 75 mph (120 Km/hr) Standby mode: Up to 300 hours (~12 days) Auto switching between calls, intercom, GPS, and music Music listening via mobile phone. Control music via AVRCP: Pay, Pause, Previous, & Forward DPS echo cancellation & noise suppression for crystal voice quality at high speeds, up to 75 mph (120 Km/hr). Compare this model (BT-IP-V4) with other Helmet Headsets at http://hqtelecom.com/ComparingBluetoothHelmetHeadsets.pdf