1 Full metal rustless shell and unique profile design 2 Gorilla GlassIII 3 Wireless Charging.(Working with leather case) 4 CPU: MT6592 1.7GHZ Octa-Core high-speed processing platform enables fast navigation and optimum performance with multi-tasking 5 NFCRemove AP-Mobile AP 6 Window funciton 7 Smart Pause/Play-Video will pause when the device detects that you are facing away from the screen 8 AIR GESTURES 9 Android 4.3. OS: This Android mobile phone is a brilliantly constructed piece of hardware merged with the Google Android 4.3 OS to provide end users with amazing modern day functionality on the go for their daily communication and entertainment needs. 10 Dual SIM: This phone comes with Dual SIM technology allowing you to switch easily between two SIM cards/phone numbers without having to physically take them out and swap them over-saving you time and hassle. 11 Octa-Core: This phone is unlocked for worldwide use. The phone supports GSM 850/900/1800/1900 WCDMA 850/1900/2100 (HSDPA) Enjoy worry-free travel wherever you go. 12 Support OTG & Compass Smart screen pause Window function air move