This new cable from J&M will connect the mike-in and audio-out jacks of the Garmin Zumo660 or Zumo550 to the cell-phone input of the J&M Integratr IV, to provide GPS Route commands, cell phone integration thru the Bluetooth link inside the Zumo, along with stereo MP/3 and/or XM satellite radio (if Zumo550 is XM equipped) audio into the J&M Integratr IV for both driver and passenger enjoyment.