BT Intercom Helmet Headset for Riders & Skiiers - Cell & GPS, Intercom (3 persons, 3,280 ft)
•	This device can communicate wirelessly with paired Bluetooth enabled cell phone or GPS system at a range of up to 30 ft (10 meters) apart. •	It can connect to cell phone and GPS system.•	It supports 1-to-1 intercom functionality for a range of up to 3,280 ft (1,000 meters) with full-duplex communication.   •	It can be setup to communicate with 2 other headsets via the built-in intercom system (e.g. A-B or A-C or B-C). •	It can provide up to 10 hours talk time when connected to cell phone.•	It can provide up to 6 hours talk time when using the intercom feature.•	It can provides up to 300 hours standby between charges.•	Calling features include:o	Answer calls (push button or set auto answer)o	Refuse/hang-up calls manually or automatically o	Supports voice dialing and last number redial•	Auto switching between phone calls, intercom calls, and music listening•	Music listening via mobile phone music AVRCP play, pause, previous song, next song played. Control cell phone music through AVRCP:  forward, backward, play, pause.•	With DSP echo cancellation and noise suppression technology, crystal clear voice quality while traveling at high speeds (up to 75 mph or 120km/hr).•	Heavy-duty Button panel is water-proof and sun-proof to achieve maximum durability.•	Durable built-in Li-ion Battery 3.7V, 370mAh.  Compare this model (BT-IC-HS-F2) with others - Copy/paste:  http://hqtelecom.com/ComparingBluetoothHelmetHeadsets.pdf