With Sennheiser's TrueResponse Transducer and Active Noise Cancellation for distraction free listening enjoyment, the Sennheiser Cx Plus True Wireless guarantees exceptional sound anywhere, every day. Transparent Hearing lets you focus on external sounds when desired, while customizable touchpads ensure effortless control of audio, calls and voice assistant access. Thanks to IPX4 rated splash resistance you can keep on enjoying the Cx Plus True Wireless wherever you go.