verykool Lynx II 3503 3.5" 4G Unlocked GSM Smartphone Android 4.4 Dual SIM 1.0GHz 2 MP Rear Camera 1.3MP Front 720p Video HD AT&T T-Mobile BLU -Blue Unlocked 4G 3.5 LCD smartphone guaranteed to work on all GSM carriers in US ( AT&T, T-Mobile, Walmart Family, Cricket, Simple Mobile, Straight Talk, etc.) & in the world (that supports 3G/2G bands). Does not work with CDMA networks like Verizon/Sprint. Runs on Android 4.4 with 256MB RAM/512MB ROM memory; 2MP rear camera (LED flash) & 1.3MP front-facing camera; Bluetooth, additional slot for an external T-Flash with extra 32GB; 1200mAH battery provides up to 5 hrs. of talk time, 8 days of standby time 3.5 LCD Touch screen, Audio/Video recording & conferencing, dual SIMs allow easy carriers/networks switching throughout the world; perfect for international travelers, or everyday users who love a no-contract phone with a lot of storage capabilities Verykool is a San Diego-based company that provides a 1-Year Comprehensive Warranty with every phone, so you can rest assured you're not buying from a foreign company with a name you can't pronounce or warranty issues that cost more than the product itself FREE Accessories Included: ($45 value) UL certified travel charger, clear gel case, headphones, and a micro USB data cable