1) OnePlus 2 is smaller in size than OnePlus One
2) OnePlus 2 will have a whooping 3300mAh battery!
3) Just for now, know that OnePlus 2 camera will amaze you... You'll know the rest in the launch event.
4) OnePlus is most proud of with the OnePlus 2's design & build quality
5) Longer Charging Cable with the OnePlus 2.
6) No Major Design Changes for the OnePlus 2.
7) OnePlus 2 will have Europe/Asia, North America and China versions with much Better Band Support than last time.
8) OnePlus will be using an Improved Version of the Invite System.
9) OnePlus 2 (most probably) won't have an SD Card Slot.
10) OnePlus One will still be available for purchase after the release of the OnePlus 2.
11) OnePlus 2: Design, Build Quality, User Experience were most prioritized.
12) OnePlus is working on adding new payment methods which will be available by the end of 2015.
13) OnePlus have optimized the packaging size. For some markets, OnePlus 2 shipping cost will be lower than the ONE.
14) OnePlus 2 won't have wireless charging facility.
15) OnePlus 2 will have support for WiFi Calling.
16) OnePlus will have an App for you to download and enjoy the keynote, with a VR and without.
17) No Heartrate Sensor in OnePlus 2 (OnePlus 3 will have Heartrate Sensor).
18) What does this mean?! o_O