Crux Bluetooth Handsfree + 4 Ch. Audio Streaming (Various Gm Vehicles Bluetooth Receiver #IPTBTGM-33

Adds Bluetooth Handsfree Calling to the OEM radio.; Adds 4 channel Bluetooth Music streaming to the OEM Radio.; Maintains the use of the factory XM radio, if equipped.; Automatically pauses BT Streaming when a call is received, and resumes when the call is ended.; Allows user to answer, end calls track up and track down using the steering wheel controls.; DSP and Echo-Cancellation allows for clear conversations on both sides of the phone call.; Automatically mutes any source as soon as a call is received, and resumes when call is ended.; Allows any previously paired mobile phone to automatically re-connect to the Bluetooth interface.; Fully retains OnStar functionality.; Hear Navigation App voice prompts from the factory speakers while in Bluetooth mode.; Magnetic Phone Mount Included.