Much better grip on these than the Original Universal MsConsTwice the price of the Original Universal MsOverallIf youre going to get a Universal M style, these are the ones to get. We originally got two and the ones who didn’t have it were pretty jealous so we had to get everyone one lol. The water helps the sound conduction, since your ears are plugged with water. These provide no cushioning. One caution, if your shoes have no "heels" they may slide unless you push them up or glue medium grit sand paper to the bars. TRAS UN PAR DE MESES DE USO:La duración y carga de batería se ajusta +/- a lo indicado (un par de semanas a 2-3 horas/día). I originally bought a 12 since that is what I have typically buy with most shoes which have a narrow box for toes. My old muffs came out when I shouldered and these do not. I can actually see every spice I have, so its easier than looking through the cabinet to find what I need. Goes so well in my kitchen.