Pro-Com Electronics 5.5" Android 4G LTE Unlocked Smartphone General features: color: gray dual-sim support operating system: android 4.4 kitKat 4G 4G band: GSM 850/900/1800/1900mhz WCDMA: 850/1700/1900mhz 4g band: HSPA+ 21mbps processor: quad-core Storage: 16gb storage display: 5" capacitive multi-touch LCD screen, 960 x 540 QHD IPS network: Wi-Fi 802.11 B/g/n, Bluetooth 4.0, GPS g-sensor front and rear cameras internal stereo speaker External memory slot: support up to 32 GB rechargeable lithium battery 1900mah