X3 Plus came in via Gearbest. Ordered on 9/28. Arrived on 10/03/16 via DHL (paid $7.51 for shipping).
T-Mobile nano sim from my phone works. 3G. Call works fine. both parties can hear.
Battery: looks like will last at least 8 hours.
Apps (not looking great at the moment).
More comfortable than Gear S2 on the wrist.
Moved some music mp3 to music folder. Plays ok with built in player.
Connected to Avantree Jogger pro. Plays audio fine. Can change tracks from the Headset.