SPECIFICATION AND FUNCTION: Gold and Silver Color Optional High-performance 20mm handsfree loudspeaker Advanced Yamaha polyphonic hardware Coverage in over 175 countries worldwide Frequency: GSM850/GSM900/GSM1800/1900 (optional) Display and keyboard High-resolution dynamic display Precision-engineered stainless steel keys Features: Text messaging (SMS) Multi-media messaging (MMS) and Email Multi-language predictive text input Alarm clock World clock Advanced Agenda Calculator Voice recorder Large user memory: 1000 names or above in phonebook, 800 or above calendar notes, 800 or above SMS messages Power Management From 3 to 9 hours talk time Up to 300 hours standby time Up to 270 hours standby time