The floor valve has to be pinched which is very slow and not user friendly like the other valves. Tenia mis dudas, por el precio, pero me quedé con la boca abierta cuando los estrené, sin duda son calidad premium, mucho mejor que beats y airpods Wegen oben beschriebenem Getue trotzdem nur 3 Sterne. Sound qualityThe Bose and Sony both have excellent sound quality for playing music. Super cute shoe and seemed like they would be very comfortable but unfortunately the straps were very loose on a size 7 1/2. I kept the 5 because the length was better than the 6(again way to long) even with my slightly wide foot. BUILD QUALITY / DESIGN:The CVJ CSA uses a two-part plastic shell. I found this on Amazon and decided to give it a try. a very good addition to your safety alongside your bike lights ???? I screwed it onto the back of our cabinet and it fits perfectly.