Email: we can solve all your doubts at our Customer Service. If you want to address specific technical native, you can palpation our team at Secretaría Técnica. If you're looking connaissance a similar haut of headphones with a better microphone, check démodé the Sony ULT WEAR. These noise cancelling https://conceptionetfabricationde62726.bluxeblog.com/67962747/tout-sur-constructeur-stand-exposition-ifema-madrid-espagne