This is a seal-opened 7-level quality checked product with original brand warranty. It comes with original box and accessories, and is in perfect working condition, however there might be minor scratches on the device.
The higher end of the two phones, it has a 5" IPS screen with 1080p resolution. A "signature floating glass display" gives the front a distinct look (it's Gorilla Glass 4, by the way).
The Obi Worldphone SF1 runs Android 5.0.2 customized with the Obi Lifespeed user interface. The software is powered by a Snapdragon 615 chipset with 2GB of RAM and 16GB of storage. That's the $200 version, for $250 you can have 3GB RAM and 32GB storage (both have microSD slots).
The phone boasts fast Cat. 4 LTE connectivity (it takes one micro and one nanoSIM), along with dual-band Wi-Fi a/b/g/n (2x2), Bluetooth 4.0 and GPS.