The 5s in the name say it all. The MM 550-X TRAVEL is Sennheiser’s top-of-the-range wireless headset. No matter how noisy your environment, NoiseGard™ 2.0 active noise canceling technology cuts out the background noise that makes it difficult to carry out normal conversations without raising your voice. Connect it wirelessly to your mobile, laptop, iPad or any other Bluetooth®-enabled device and take charge of phone and Skype calls, music or audio books. The MM 550-X TRAVEL features SRS surround for immersive listening. Switch it on to experience the full benefits of a surround soundscape and get the most out of your music collection. As an added benefit, the headset enhances the latest apt-X®-enabled mobile phones and computers with supreme CD-quality sound reproduction – getting a wider soundscape out of the Bluetooth® connection than ever before.