Hi Friends lenovo K3 Note music has consirableAmount of popularity in the smart phone market.Lenovo K3 note music 5.5 inch screen size, it is reasonable thin at 8mm, The 3.5 mm audio port and micro USB/charging port are at the top the volume rocker and power unlock button to the right side android lollipop version 5.0 . 2GB RAM and 16 GB internel storage 3000 mAh battery .13 mega fixel camara and front 5 megafixel nice feature smart phone . Thank you