Using a Wired Headset with Your MC9090
You can use a wired headset with your mobile computer for audio communication when an audio enabled application is used. To use headphones, plug the headset jack into the audio connector on the side of the device. When a headset is plugged into the jack, the speaker is muted.
For WWAN enabled devices, Motorola recommends a 2.5mm plug headphone.
Note: The MC9094 and MC9097 do not support headsets with buttons to answer or hang up a call. Use the green dot or red dot keys on the keypad.