HD COLOR DISPLAY: 2G unlocked flip phone has a 2.4 inch HD color display, supports dual SIM cards and a memory card with a maximum capacity of 16GB (not included). Clear keys and numbers are easy to dial. Powerful speakers ensure that every call is and clear. SOS FUNCTION: In case of emergency, you can use SOS function to get help immediately. 9 home numbers can be set, and one touch dialing can save time and worry. You can dial with one touch without opening the address book. RICH FUNCTIONS: N509 2G flip phone supports music and video player, picture browser, recorder, calendar, alarm clock, computer, flashlight, stopwatch, call blacklist, call whitelist and other functions. LONG BATTERY LIFE: The 2G 2.4 inch screen flip cell phone is equipped with 6800mAh super capacity rechargeable battery, low power consumption, long standby time, and avoid frequent charging. LARGE KEYS AND KEY LED LIGHT: The keys on the flip phone are large enough for easy use. The is equipped with background light, which is convenient for use in dark environment at night.