Price Match Guarantee Sennheiser MOMENTUM 4 Wireless Headphones Bluetooth Headset Our next-generation Adaptive Noise Cancellation automatically adapts to ambient noise so you can stay immersed and hear every detail, even in noisy environments. Activate the versatile Transparency Mode at a touch to hear outside sounds without removing your headphones. The MOMENTUM 4's lightweight design features a padded headband and deep yet soft, cushioned earpads to ensure exceptional and long-lasting wearing