verykool s470 Dual SIM Unlocked GSM Smartphone Bluetooth WiFi IPS USB MP3 Email AT&T T-Mobile Factory Unlocked (Black) The unlocked s470 Black Pearl features Dual SIM card support, a powerful 1.21GHz Quad-Core CPU, a 2,000 mAh Li-Ion battery offering up to 10 hours talk time and up to 300 hours standby time Features a 137 x 10.5 x 71.00 mm and 160.5 gram chassis, a 4.7-inch IPS TFT LCD screen with a resolution of 720 x 1280 pixels, Wi-Fi, Bluetooth 4.0, USB tethering 4GB ROM and supports up to 32GB via micro SD memory card, FM radio application, MP3 player, and built-in flashlight function 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.