Specifications:

Intel® Atom™ Quad Core Z3560 (1.8GHz), PowerVR G6430, with OpenGL 3.0 support

5.5 ", 1280x720,IPS Panel with HD     

2GB Memory & 32GB EMMC 

DC-HSPA+ (DL/UL): 42/5.76 Mbps; LTE Cat4 (DL/UL): 150/50Mbps

Corning® Gorilla® Glass 3, Anti-fingerprint Coating

Integrated 802.11 a/b/g/n/ac,  WiFi-Direct

BT V4.0 (EDR + A2DP)

Front Camera :5.0MP Wide Angle Camera (FF)  

Rear Camera :13.0MP Camera with DUAL LED Flash

3000mAh, non-removable polymer battery

Android WW

Latest ZenFone 2 with 185 Degree Wide Angle Selfie Panorama Mode

• Platform
  Android 5.0 (Lollipop)
• Color
  Black
• Dimensions
  77.2 x 152.5 x 3.9 ~ 10.9 mm (WxDxH)
• Weight
  170 g
• CPU
  Intel® Atom™ Quad Core Z3580 (2.3GHz), PowerVR G6430, with OpenGL 3.0 support
  Intel® Atom™ Quad Core Z3560 (1.8GHz), PowerVR G6430, with OpenGL 3.0 support
• Memory
  2GB / 4GB LPDDR3 RAM
• Storage
  16GB / 32GB / 64GB eMMC Flash
  5GB free lifetime ASUS WebStorage
• Memory Slot
  MicroSD card (up to 64 GB)
• Modem
  Intel 7262 + Intel 2230
• Connectivity Technology
  WLAN 802.11 a/b/g/n/ac 
  USB
  Bluetooth V4.0, NFC
  Dual Micro SIM card
  SIM1 Support2G/3G/4G 
  SIM2 Support2G
  Dual SIM Dual Active
• Network Standard
  UMTS/WCDMA/TD-SCDMA/TDD-LTE/FDD-LTE
  Data Rate: 
  HSPA+: UL 5.76 / DL 42 Mbps 
  DC-HSPA+: UL 5.76 / DL 42 Mbps
  LTE Cat4:UL 50 / DL 150 Mbps 
  2G :
  
  EDGE/GPRS/GSM : (WW version)
  850MHz/900MHz/1800MHz/1900MHz,
  EDGE GPRS GSM : (TH version)
  900MHz/1800MHz, Class
  3G :
  
  WCDMA :(WW version)
  850MHz/900MHz/1900MHz/2100MHz
  WCDMA :(TH version)
  900MHz/2100MHz
  TD-SCDMA: (CN/IN version Only)
  1900 ~ 2100
  4G :
  FDD-LTE: (TW version)
  2100MHz(1)/1900MHz(2)/1800MHz(3)/1700MHz AWS(4)/850MHz(5)/900MHz(8)/1800MHz(9)/800MHz(18)/850MHz(19)/700MHz(28)
  FDD-LTE: (WW version)
  2100MHz(1)/1900MHz(2)/1800MHz(3)/1700MHz AWS(4)/850MHz(5)/2600MHz(7)/900MHz(8)/800MHz(20)
  FDD-LTE: (US version)
  2100MHz(1)/1900MHz(2)/1800MHz(3)/1700MHz AWS(4)/850MHz(5)/2600MHz(7)/900MHz(8)/700MHz(17)/800MHz(20)
  FDD-LTE: (TH version)
  2100MHz(1)/1800MHz(3)/1700MHz AWS(4)/2600MHz(7)/900MHz(8)/800MHz(20)
  FDD-LTE: (CN version)
  2100MHz(1)/1800MHz(3)
  TDD-LTE: (CN/IN version)
  2600MHz(38)/1900MHz(39)/2300MHz(40)/2500MHz(41)
  ASUS phone 4G/LTE band compatibility varies by region. Please check compatibility with local carriers If intending to use your ASUS phone outside the original purchase region.
  SIM1 Support2G/3G/4G 
  SIM2 Support2G
  Dual SIM Dual Active
• Navigation
  GPS/GLONASS/QZSS/SBAS/BDS
• Display
  5.5inches, Full HD 1920x1080,IPS
  Corning® Gorilla® Glass 3
• Battery
  3000 mAh Li-Polymer (non-removable)
• Camera
  Front 5 Mega-Pixel, Fix Focus, Wide View, PixelMaster
  Rear 13 Mega-Pixel, Auto Focus, PixelMaster
• Sensor
  G-Sensor/E-Compass/Gyroscope/Proximity/Ambient Light Sensor
• Note
  The 18W BoostMaster adapter is included with 2.3GHz/4GB ZenFone 2 model only