ARCCI [SC051] Quad Band Senior Cell Phone, Easy to Use Senior and Kid Cell Phone, SOS Button, Large Keyboard, Simple to Use Unlocked GSM [BROWN] SOS emergency calling, the main screen shows the owner name, blood type, sudden diseas type, family name and contact information Wide screen; voice message; big keyboard and display character; Loud VOL control; torch; SOS key; voice time; number key reading; FM radio Support MMS, MP3, Micro-SD Card up to 16GB (not included), Bluetooth IMPORTANT NOTE : Please download the manual below the product descriptoin to know the complete functionality of the product The phone isn't compatible with Verizon and Sprint This excellent Unlocked GSM Senior cell phone has won IF Product Design Award 2010 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.