Our latest product introducing call blocking technology into the mobile world The only big button flip phone in the world with a block now button to stop robocalls instantly SOS Emergency Assist Button will activate an alarm and send a text to 5 pre-programmed number saying (Emergency Call Me) SIM Free Mobile - Works on GSM network (T-Mobile, AT & T, etc. ) or simply transfer your existing SIM card Does not work on CDMA networks (Verizon, Sprint, etc. ) It is not only the clear structure and the very elegant design in a rubberised surface which make this new model CS900 a true eye-catcher but also the high-quality comfort features coupled with the quality and safety functions that make this model our best mobile device yet. This flip phone with a 2.4 "color display is already a proven crowd pleaser. The date, time and day of the week with additional information symbols for incoming messages keep you up-to-date. Of course, you also have the usual comfort features like a camera, photo contacts, Bluetooth and an SOS emergency call button. Call Blocking CS900 has our Call Blocking technology built in. It comes pre-loaded block list with the worst offending nuisance callers, you also have the ability to manually enter an additional 100 number. The CS900 allows you to block Private and Unknown callers. Intelligent SOS Emergency Assist We all want the older people in our lives to live safely and with independence. With age, the risk of trips and falls increases. The potential for medical conditions which place our loved ones in vulnerable positions is a source of concern. The CS900 Mobile is designed to safeguard the most vulnerable while maintaining their active independence. The emergency assist SOS key sends an SMS message to all contacts in the emergency number list. (Saying: Emergency, Call Me) Once sent, the phone calls the primary number in the list. If unanswered the phone will rotate through the numbers until answered.