verykool s4005 Leo Jr. 4.0" TFT 1.0GHz Quad-Core 3G 5MP + 1.3MP Dual SIM Android 4.4 WiFi GPS Factory Unlocked-Carrier Packaging-Blue Unlocked 3G 4" LCD smartphone guaranteed to work on every GSM carrier in the US (AT&T, T-Mobile, Walmart Family, Cricket, Simple Mobile, Straight Talk, etc.) & in the world that supports 3G bands. Does not work with CDMA networks like Verizon/Sprint. Runs on the Android 4.4 KitKat with 512MB ROM + 256MB RAM, external (Micro SD) up to 32GB, 5MP rear camera, 1.3MP front camera; 1450mAH battery provides up to 10 days of standby time LED flash, Gravity sensor, audio recorder/video, dual SIM cards allow to easily switch carriers throughout the world; FM Radio, USB Tethering, perfect for the international traveler, or the everyday user who loves a no-contract phone Verykool is a San Diego-based company that provides a 1-Year Comprehensive Warranty with every phone (NASDAQ: IFON), so you can rest assured you're not buying from a foreign company with a name you can't pronounce or return/warranty issues FREE Accessories Included: ($45 value) travel charger, stereo headset, and a micro USB data cable