The Seidio 4100M Integrated Car Kit includes an stereo audio out port that allows routing your output (phone conversations, GPS commands and MP3s) through your car's audio system.

The G4100M includes the following features:

• GPS Receiver Compatibility - You have the option of using your Treo 700's built-in Bluetooth capabilities to connect to a Bluetooth receiver (sold separately). Combine a GPS receiver with the GPS software of your choice, and you're good to go!

• Multifunction Cradle - The G4100M securely holds your Treo 700 in place and comes equipped with the needed components to mount your Treo 700 either using an 8-inch windshield pedestal and an air vent pedestal or with a 360-degree swivel base adaptor.

• External Microphone - A High Quality external microphone is included to help ensure that your phone conversations come through loud and clear on the other end.

• Audio Output - The G4100M includes an stereo audio out port that allows routing your output (GPS commands and MP3s) through your car's audio system using an optional FM Transmitter Kit.

• DC Power Input - The G4100M includes a DC charger so your Treo 700 has a continuous power source whenever it is docked.

• B/T Headset Capability - For added privacy and convenience, B/T headsets can be used while your Smartphone is in the cradle.