... 2.25 inch quad band dual SIM dual standby multimedia cellphone Chipset: MediaTek 6225 Operating System: Nucleus RTOS GSM Compatibility ( ... Battery Charge Time approx: 3 hours Battery Type: Rechargeable Li-ion (1580 mAh) Menu Icons: Organizer - Notepad, Calculator, ... Call Time Reminder, Auto Quick End Settings - User Profiles, Dual SIM Settings, Phone Setup, Display Characteristics, Shortcuts, Network ...