HJC XBi2H PLUS WIRELESS HEADSET The XBi2-H Plus and XB-2 Plus are the latest bike-to-bike wireless intercoms equipped with A2DP (Advanced Audio Distribution Profile) for wireless streaming of stereo music via Bluetooth 2.0 technology. Simultaneous communications are possible between as many as sixteen riders one half mile apart in optimum conditions. The XBi2-H Plus and XBi2 Plus will allow you to stream an audio signal from any source that already comes equipped with Bluetooth such as mobile telephones, MP3, GPS and even an iPod when hooked up to a Bluetoothadapter, eliminating the need for cable connections. The XBi2-H Plus is designed specifically for use with HJCs IS-Max BT, SY-Max 3 and CL-Max II helmets. XBi2 Plus is designed for universal mount on both open and full-face helmets