The B (Bluetooth headset) I (intercom) M (music) offer real-time talking like a normal telephone.  It can connect with two other riders or connect with anther rider and his/her pillion.

Descrition:
You like to ride together; wouldn’t it be great to talk when you ride?!

From now on, you can talk with your motorcyclist friends by way of this new two way wireless Bluetooth communication system, or you can chat with your pillion.

Maybe receive a cell phone call without pressing a button, You can enjoy your favorite stereo music from your A2DP enabled cell phone or MP3 player or perhaps listen to the audio navigation message from your Bluetooth enabled GPS.

With this NewSuper-Range Bluetooth, you can do all these things even if you are riding or snow skiing!!!
All this hands free functionality is contained within one self contained module that attaches to the side of your helmet.

Detail:  
*Maximum talking range 500  meters between two riders, real two-way  wireless communication.  MAX support *Three riders by Bluetooth system
*Up to 120Km working speed
*Up to 7 hours talking time
*Safe auto-receiving cell phone calls
*Advanced A2DP & EDR Bluetooth profile
*Stereo music/audio function (transmits from A2DP enabled cell phone/MP3/GPS)
*Wind noise DSP cancellation
*Water-resistance, all weather
Friendly for gloves 

Feature:
OTHER FEATURES
*Digital Signal Processor (DSP) Technology for wind noise cancellation
*Excellent performance at speeds up to the legal limit with a full face helmet
*Easily mounts to all full face and open face helmets
GENERAL FEATURE
*Up to 7 hours talk time when connected to your cell phone
*UP to 7 hours time when listening to music
*Typical current consumption is 55 ~75 mA
*500 mAh Li Polymer battery ·Standby time: 100 hours 
*Charging time:~ 3 hours
*Chip brand: CSR
SPECIAL FEATURE
*All weather, rain and snow resistance
*Removable headset unit from the helmet
*working speed can be up to 120Km!

Specification:
Digital Signal Processor (DSP) Technology for wind noise cancellation
Excellent performance at speeds up to the legal limit with a full face helmet
Easily mounts to all full face and open face helmets
Up to 7 hours talk time when connected to your cell phone
UP to 7 hours time when listening to music
Typical current consumption is 55 ~75 mA
500 mAh Li Polymer battery
Standby time: 100 hours  
Charging time:~ 3 hours
Chip brand: CSR
All weather, rain and snow resistance
Removable headset unit from the helmet
Power adapter: AC input 110V-220V / DC output 5v

It can be used in:
1)As a handsfree Bluetooth headset for cell phone calls
While out riding or snow skiing, the auto answer feature of the internal Bluetooth profile enables safe automatic Handsfree answering of the phone call automatically. It also offers a call rejecting function.
—receive the cell phone calls even you do not need to press any button, you just need to rider your bike as normal, the process of receiving call will be automatic, after ring on of the call about 5 seconds; it will receive the call automatically. It also can offer rejecting call function.

2)As a two way wireless full duplex interphone between riders or between rider & pillion
The Maximum communication range over a high clear line of sight path can reach 500m
/1640ft!.
Unlike a one-way walkie talkie, which is only half duplex i.e. it can not speak and listen simultaneously,our intercom offers real-time talking like a normal telephone.
It can connect with two other riders or connect with anther rider and his/her pillion.
The rider can chose which person to talk with
 
3) As a wireless Bluetooth music receiver and speaker, this BIM with EDR and A2DP profile it can offer another important function--- listening to stereo music from A2DP enabled cellphone,MP3 or navigation audio information from GPS(this MP3 or GPS should has a built in audio Bluetooth transmitter)
 
4) As the speakers of your MP3/GPS ,thought your MP3 or GPS is not Bluetooth transmitting enabled(with a AV Dongle).