Sound class! Really 7.1! The buttons are a little uncomfortable, but this is a matter of habit. There is no audio delay at all. The autonomy of the new 7 hours is 60% of the maximum, let's see how the battery shows itself over time! The range is impressive, through two walls it works with a bang! I took it for Sonya and only for her, everything works super with other devices, I havenโt tried it, and I donโt need it! The code has been activated.