Sound is not clear. I am useing form 2 month it is all wayes going down. The sound is completly mesh. It is not perfect does not support to any videos and not adjusting with the videos. I have though that after buying this Xiaomi redmi Note 4. I have to not face any problem but I am totaly wrong. this device is not working for me. I am very upset. I gone a exchange this device in few months So dont buy this Xiaomi Note 4. The sound quality is very low.