Crux BTGM-33 Bluetooth Handsfree with Music Streaming for Select GM Vehicles

Bluetooth Hands-free Car Kit + 4 Channel Audio Streaming for Select GM Vehicles with XM Ready Radios 2006-2013 Adds Bluetooth Hands-free 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. Fully retains OnStar functionality. Automatically mutes any source as soon as a call is received and resumes when call is ended.