Momentum 3.0 The Sennheiser Momentum Wireless Bluetooth Noise-Cancelling Headphones are the 3 rd generation of the much-loved headphones. Noise-cancelling As you'd expect from Sennheiser, you get superior sound. But it's better than ever thanks to improved noise-cancelling. There are 3 modes for different environments and with Transparent Hearing you can let the outside world in. Comfort & durability Featuring a comfortable genuine leather head strap, premium earcups, and sturdy matte steel arms, the Momentum Headphones are built for everyday use. Auto on/off Leave your phone in your pocket. The Momentum Headphones are smart enough to start/stop/pause when you put them on/take them off. Works with your assistant In addition to the on-ear controls, the headphones work with your phone's voice assistant. So, you can load up a new playlist, add an appointment to your calendar, and much more. Tile In a rush to get out the door? Find your mis-placed headphones in seconds with the tile tracker app.