ASUS ZenFone 2 (ZE551ML) Dual SIM Factory Unlocked 4GB / 32GB 5.5-inch 4G LTE - International Version No Warranty - Silver Rear Camera: 13 MP, Auto Focus, LED Flash, PixelMaster; Front Camera: 5 MP, Fix Focus, Wide View, PixelMaster. 32GB ROM, 4GB RAM, Supports microSD up to 128GB, OS Android, 5.0, Battery 3000 mAh Li-Polymer (non- removable). 5.5-inch, Full HD 1920 x 1080 / 403 PPI Display with Corning Gorilla Glass 3, Dual Micro SIM Unlocked cell phones are compatible with GSM carriers such as AT&T and T-Mobile, but are not compatible with CDMA carriers such as Verizon and Sprint 4G LTE Dual SIM; Platform: Android 5.0 Intel Atom Z3580, Quad-core 2.3 GHz CPU, PowerVR G6430, with OpenGL 3.0 support Connectivity Technology: WLAN 802.11 a/b/g/n/ac, USB, Bluetooth V4.0, Dual Micro SIM card, SIM1 Support2G/3G/4G & Dual SIM Dual Active Battery 3000 mAh Li-Polymer; Audio Slot 3.5mm Dimensions 77.2 x 152.5 x 3.9 - 10.9 mm (WxDxH); Weight 170 g In The Box: Handset, Charger, User Manual & 18W BoostMaster adapter