The BlackBerry Remote Stereo Gateway uses Bluetooth technology to establish a wireless connection with your Treo Pro, Treo 800w, Treo 750, Treo 700wx, or Treo 700w device. After you pair the BlackBerry Remote Gateway with your Treo Pro, Treo 800w, Treo 750, Treo 700wx, or Treo 700w device, you can now connect to the BlackBerry Remote Stereo Gateway when the device is within range of your Treo Pro, Treo 800w, Treo 750, Treo 700wx, or Treo 700w device (a typical range is approximately 10 meters).