Unlocked Dual SIM smartphone, Android 6.0 Marshmallow;5.5 HD display with IPS technology and curved glass; 16GB Internal memory with 2GB RAM;8MP Autofocus Main Camera + 5MP front Camera with flash;3,700 mAh Monster battery, built in fingerprint sensor;4G LTE, (2/4/7/12/17), 4G HSPA+ (850/1700/1900/2100). GSM Quad band: US compatibility Nationwide on all GSM Networks including AT&T, T-Mobile, Cricket, MetroPCS, Straight Talk, and others