They were easy to setup into Stereo mode or dual mono mode with the available App. not expensive and a bit more upmarket in appearence than similar house shoes worn in the past. Doesn’t even feel like you’re wearing it. -Battery life. This may be affected by volume of music being played, temperature, etc. Its appearance is very comfortable. So I returned them and ordered his normal size. Spray tans best friend! I was really surprised by the build quality on this. While the memory foam compresses, they will slowly push out of your ear as the memory foam takes shape.