With email, messaging, web, organizer, multimedia capabilities and more, the Treo 680 packs all your favorite features into a slimmer, sleeker design.no antenna!.with almost three times the memory of the Treo 650. See who"s calling. Literally. Simply add a caller ID photo to your contacts, and you.ll be able to see who.s calling. Use the built-in camera3 to shoot the photo.or match an existing photo with a contact. You can even use a photo as your wallpaper for the main view in the phone application. Ringer on. Ringer off. Silence your phone in an instant by using the ringer switch or the volume button. Or adjust the call volume while a call"s in progress. And when you don"t want to be heard, use the mute button in the active call screen to turn off the microphone. Let"s put you on speakerphone. One touch of the speakerphone button lets you talk hands-free. Or keep things quiet and use the included headset. Either way, you can still access your calendar, documents, and other applications while you talk. And switching to the phone application is easy. Just press the phone key. Ringtones galore. You can choose different tones for different kinds of incoming calls. Beeps. Bells. Whistles. Songs. Even record your own voice. Assign them to known callers, unknown callers, specific contacts, and new voicemail. (Download compatible ringtones right to your Treo from your favorite website.) Main Features: EDGE Photo Caller ID Speaker Phone Vibration Infrared MMS WAP Java GPRS Camera Color Display BluetoothBrief Specifications: Display Resolution:320 x 320 Weight:157g Camera Resolution:VGA Talk Time:4 hrs Dimensions (mm):113x59x21 Standby Time:300 hrs Networks (MHz):GSM 850/900/1800/1900document.getElementById("tb1").style.background = "#c10100";