Palm Treo Centro GSM Unlocked Phone with 1.3 MP Camera, MicroSD Slot, and gps navigation-U.S. Version with Warranty (White) Small, sleek, and lightweight Color touchscreen and full keyboard Text messaging with a chat-style view Stores names, numbers, appointments, notes, to-do's Wireless email for accounts like Gmail, AOL, and Yahoo! (subscription service may be required for wireless access)