Amazon is offering BestSelling Phone Lenovo Vibe K4 Note Mobile (Black, 16GB) at Rs.11999. 5.5″ (13.97cm) full HD 1920 x 1080 pixels IPS screen Gorilla glass display with 401ppi resolution, First phone with TheaterMax technology and Dolby Atmos® surround sound over speakers, 13MP f2.2 primary camera, 5MP front camera, Android v5.1 OS with 1.3 GHz, 64-bit octa core processor, 3 GB DDR3 RAM, 16GB internal memory, 3300mAH lithium-ion battery.