Regular Sim Card 3g Unlocked Any GSM Carrier Desbloqueados GSM (Not Verizon Sprint Net10 or Any CDMA Carrier);Bands: 3G 850/1900 mhz 2G: 850/900/1800/1900MHz;Vibrant 2.2 main display plus 0.98 external display for information at a glance.;Enhanced audio (Senior) mode enhances high frequencies (at 2,500Hz).;Bluetooth 2.1 Supported music formats MP3, WMA, AAC, AAC+, AMR, MIDI