... 2.OS: Android 4.1 2.5.0" HD IPS Retina Screen, resolution 1280x720px 3.1GB/4GB H7500+ MTK6589 Quad Core Android ... 9mmNet Weight(Including battery)200gStandby TimeAbout 2~3 daysOther Feature3G, WIFI, GPS, FM, Play Store, Bluetooth, Ebook, Email, Messaging, wallpapers,calendar, calculator ... Android 4.1 1G RAM ROM 4GB 3G GPS 5.0 Inch HD IPS Retina OGS Screen Smart Phone H7500+