Helix BT HD Hands-Free Microphone Kit

Features
Complements the HELIX BT HD STREAMER for full hands-free functionality
Passive electret condenser microphone with cardioid characteristic for clear voice transmission
2-meter connection cable for easy integration
Connection options for up to four functions such as ″next Track″, ″previous Track″, ″accept call″, or ″reject call″
Compatibility
Suitable for connection to the HELIX BT HD STREAMER