... a GSM SIM card and would not work on this phone. Modes: GSM 850 / GSM 900 / GSM 1800 ... ID, Polyphonic Ringtones, Ringer ID, Ringer Profiles, Speaker Phone, To-Do List, USB, Vibrate, Voice Memo Bluetooth: ... Groupwise supports SSL, attachments Text Messaging: 2-Way Headphone Jack (3.5mm): stereo Music Player: Supported Formats: MP3, ... player, stereo Bluetooth, 3.5mm headphone jack, and memory card slot.