If you have high requirements for music, you can choose the S version <br>if you listen to music normally and use it for entertainment. No need for S version, S version price will be a bit higher
If you have high musical requirements, you can choose the S version<br>If normal listening to music, entertainment use. No S version is required, the S version price will be a little higher
If you have a high demand for music, you can choose the s version<br>If you listen to music normally, use it for entertainment. S version is not needed, and the price of s version will be higher<br>