También siento que aíslan un poco menos el exterior como los originales, para mi no es problema ya que los uso únicamente cuando estoy en mi cuarto. Comes with the screw holes already drilled and ready. In the video I posted, you can hear a difference when the pop filter is used and when it isnt. Sound quality is very good, resolute collection shop. Further, the case packs 4 additional charges from the 8 or 9 hours the buds pack. (They also look really nice. Im a window cleaner so I can definitely say this case can take a few good knocks and keep on truckin Me llego un libro! I had the Mi band 3. Couldnt recommend this product highly enough!