May be used with the following networks:  Cingular, T-Mobile, AT&T, Fido and ALL OTHER GSM networks which support 900/1800/1900 Mhz.) Highlighted Features:  Integrated Symbian OS 9.1 16.7 MILLION COLOR Large Inside LCD TRIBAND Bluetooth Technology MP3 Music Player Polyphonic & MP3 Ring Tones PIM EDGE Compatible 3G Compatible Speakerphone! Blackberry Connectivity   FEATURES AND DESCRIPTION Main color display: up to 16M colors within 352 x 416 pixels Up to 6 lines (Latin) in message viewing Adjustable display brightness and contrast control Compatible with Nokia Wireless Keyboard SU- 8W Music Player (MP3/AAC) Dedicated voice key for advanced voice dialing, voice recording and Push to Talk Up to 75 MB internal dynamic memory Built in MultiMediaCard (MMC) Slot MMS, ver 1.2 SMS Bluetooth wireless technology v.1.2 USB 2.0 full speed via Pop-Port™ interface WAP 2.0 XHTML/HTML multimode browser 3GPP video streaming EGPRS GPRS Java™ MIDP 2.0 Symbian operating system OS 9.1 Series 60, 3rd edition PC synchronization with Microsoft Outlook and Lotus Notes via Nokia PC Suite Size: Weight:  117g (with Nokia Battery BL-5C) Dimensions: 115 x 49x 16.9 mm