Lenovo k3 note is a very good mobile and value of money and more features give from lenovo company and I am share features to you. sound quality is so good .design is so preety and very slim set display is hd. battery power is most powerfull 2900 mah and sound quality is good from dolby atmos. In earphone sound is so loud and hd sound quality .i am suggest you to buy this lenovo k3 note.