The Sonos Ace are Noise Cancelling Over Ear Headphones. They feature a lightweight design that adjusts for a perfect fit and exceptional acoustic seal. Plush memory foam and buttery soft vegan leather minimize pressure so you can listen comfortably for hours on end. Also featuring the ability to Listen or talk for up to 30 hours even with ANC enabled. Rapid charging gives you 3 hours of playback in 3 minutes when using the USB-C to USB-C cable.* The Sonos Ace will automatically pause audio content when removed from your ears and resume when put back on.