Janizz New Unlocked Simple Big Button Dual Screen Flip Mobile Cell Phone for Seniors Elderly with Sos Button and Cradle GREAT FOR SENIORS AND ELDERLY AND VISUALLY CHALLENED(SPEAKS THE NUMBER WHEN PRESSED) CAMERA,BLUETOOTH,COLORED,SD CARD COMPAIBLE,LCD SCREEN,BRIGHT FLASH LIGHT,DUAL SIM (IF YOU HAVE TWO NUMBERS) & MANY MORE FEATURES..CHECK DESCRIPTION SOS BUTTON ON THE BACK(CAN TEXT PRESTORED NUMBERS AND ALSO AMBULANCE SIREN TO ALERT PEOPLE AROUND) DUAL SCREEN & CRADLE FOR EASY VIEW & CHARGING(PLEASE REMOVE THE PROTECTIVE TAPE ON THE BATTERY BEFORE INITIAL CHARGING) Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers). Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin.