Used only for a couple of months as it was a present until I got the new iPhone. It's fully functional, with all it's factory components and it has an additional 2cases and a shockproof screen protector completely free! Some of its features include: 

-Qualcomm Snapdragon 855 processor

-6GB Ram/ 64GB Storage

-6.39'' AMOLED Full Screen Display

-48MP, AI Rear Tripled Camera

-20MP pop-up selfie camera

-In-screen fingerprint unlock

-3900mAh battery

-Supports 2sims