2) The mute button is always lit, its either always on red light (listening) or blinking (muted) but whenever the mic is plugged in the light is on. The black, soft leatherette carry pouch with the MuveAcoustics branding and spring lock is handy. Los mejores audífonos que he comprado, en resumen, me leí todos los reviews y vi todos los videos de YouTube y el truco es, si tu dispositivo donde escucharás música, trae ecualizador gráfico, yaaaa estaaaas dentro, en Flat se escucha brilloso y los graves presentes pero no los "sientes", todo esto cambia cuando lo ecualizas a tu gusto, con eso se vuelve, al menos para mí, el mejor sonido por encima de los Sennheiser 4. After the 3rd wearing they lossen up a LITTLE. Bought this for use under exercise equipment to protect carpet from wear (moving equipment) and stains (sweat, equipment lubricants). He went on and on about how good they were so I purchased two more for myself and for my husband. Cant see where theres any natural latex in the item description, but I may be sensitive to other components because a day of wear and Im noticing it by the end. People say how nice I smell They do look a little rough. If I could attach a photo here it would be an eyeroll.