Experience superior sound and wireless freedom with the Sennheiser PXC 550-II Wireless Noise-Canceling Over-Ear Headphones, designed for frequent travelers and all-day use. Enjoy up to 30 hours of battery life on a single charge, perfect for long journeys. Adaptive Noise Cancellation automatically adjusts to your surroundings to minimize distractions. Easily control your experience with the Voice Assistant Button for one-touch access to Google Assistant, Alexa, and Siri, supported by a triple microphone array for exceptional speech clarity. The ergonomic design with rotating ear cups ensures portability and a comfortable fit. Smart Pause technology automatically pauses audio when you remove the headphones and resumes when you put them back on. The Sennheiser Smart Control App allows you to personalize sound modes. Stay connected with first-class call quality thanks to the bespoke triple microphone array and Adaptive Noise Cancellation. These headphones feature Bluetooth 5.0 with support for SBC, AAC, aptX, and aptX Low Latency codecs, an intuitive touchpad interface, and come with a carry case, USB charging cable, audio cable, and in-flight adapter.