Our E7 Bluetooth headphones have enhanced active noise technology, reducing up to 90% of low-frequency noises around you. Then you will own a better listening experience even in noisy environments when owning E7 MDpro active noise cancelling headphones.Whether you are at quiet places or not, better quality calls to connect with your circle with our E7 MDpro headphones with mic. No longer worry about the poor & intermittent conversations.Hear the exactly complete music with E7 active noise cancelling headphones.