The Chatterbox Moderate range models are ideal for riders in small to medium size groups of up to 16 people. They feature CDMA technology for communication, which allows them to be much smaller in size. This technology allows full duplex (conference call type) conversations between a max of 16 riders (bike to bikes or rider to passenger) at up to 1/2 mile. The XBi2-H Plus features Bluetooth which allows you to pair with up to two accessory devices (cell phone, GPS, mp3/iPOD) at the same time. Each model can also sync to one another for communication. The XBi2-H Plus is designed specifically for the HJC brand line of bluetooth ready helmets. The XBi2-H Plus uses a Lithium Ion rechargeable battery capable of 8-10 hours of talk time with 20 hours standby. The XBi2-H Plus includes the following: Unit, noise suppression Hi-Fidelity headset, factory installed Lithium Ion rechargeable battery, mounting cradle, wall charger and users manual.
this headset is specifically designed to work with the HJC BT helmets. That is the IS-Max BT, Symax 3 and others with the built in port on the side of the helmet. ( IS-Max BT is pictured with the headset installed ). If you do not have an HJC with the side port, then order the non-model specific ( universal ) bluetooth headset for flip up, full face and open face motorcycle helmets here ( "Chatterbox XBI2 Plus Bluetooth Headset
Wireless intercom capable up to 16 users
Listen to music while getting voice direction from GPS wirelessly
Answer and receive phone calls
True Hi-Fi stereo speakers and noise suppression microphone
6 to 8 hours of talk time and 20 hours of standby
Rechargeable lithium polymer battery
Communicate with XBi2H Plus and/or XBi2 Plus models
Other Great options for an HJC helmet headset are available here ( "Bluetooth Motorcycle Headsets" ). While they are not designed specifically for the BT helmets they will fit well and have the same great features. Some great examples are the "Sena Bluetooth Motorcycle Headsets", which are on sale and get great reviews from our customers!