I would estimate that Ive spent at least 2,500 hours wearing these headphones with the original ear cushions. I?ve killed a few Bluetooth headphones the same way. Eran de uso venían raspados en el auricular derecho y sin caja original, no espere este así, pero no me gusta regrese el producto This will cause the charger to slow down and take forever to fully charge your device. good sound quality. Some reviews said you had to be relatively close by for the fobs to be detected by the remote but I have found this not to be the case. There is room to add additional weights in the future. But this time they fit snug across the instep. Son buenas, muy buenas, y muy ligeras, pero aprietan un poco en el puente, cosa que no esperábamos, y después de algunas horas, molestan. That is actually my biggest complaint with shoe designers who also make a wide in sandals.