Blu Q-51-RD Samba JR Unlocked Dual-Sim Phone with QWERTY Keyboard, MP3 Player and FM Radio - No Warranty - Red This unlocked cell phone is compatible with GSM carriers like AT&T and T-Mobile. Not all carrier features may be supported. It will not work with CDMA carriers like Verizon Wireless, Alltel and Sprint. Network: GSM 850 / 900 / 1800 / 1900 Display Type TFT, 56K colors Size 128 x 160 pixels, 1.77 inches Battery Standard battery, Li-Ion 850 mAh Stand-by Up to 168 h Talk time Up to 3 h