Fsmart M5 Mini Card Cell Phone 1.0 'LCD Ultra Slim Student Version Android Smartphone Cellphone Partner, Negro Wallet pocket mini cell phone--Credit card size,available in your wallet pocket even your notebook. Classical backup GSM phoneCall, MMS, music play, bluetooth, only what you need from a basic phone, simple and easy Music phonesince it support TF card up tp 8GB, slim size, small body, it is beyond a cell phone as Mp3 player. Long time stand by batteryeven only 320Mah polymer battery, but it can stand by for 4-5 days, because few function and small body. great spare phone. Quad band unlocked phone-850/900/1800/1900 GSM band, 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, Pure Talk USA Boost or Virgin.