This is a successor of k3 note which is lenovos most saled phone. K4 note has more specifications than the k3 note.
Specifications
Display- 5.5 inch Full hd IPS 178° viewing angles
Operating system- 5.1 Lollipop
CPU- Octa core mediatek MT6753 64bit
Memory- 16gb, microsd up to 128gb
Ram- 3gb
Sound- 1st phone have DTS sound in Speaker
Camera- 13& 5 mp rear and front respectively
Battery- 3300MAh( NON REMOVABLE)
Sensors- Gravity, Proximity, Light, E-Compass
Security- Fingerprint & NFC
Only one thing to say Value for money