Sennheiser Momentum Wireless 4 Over-Ear Noise Cancelling Headphones - Denim Utility Products With the ECG app

With the ECG app

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Sennheiser Momentum Wireless 4 Over-Ear Noise Cancelling Headphones - Denim Utility Products With the ECG appQuick Overview: Sennheiser Signature Sound Powered by Sennheiser's audiophile inspired 42mm transducer system for exceptional high fidelity sound. Top Tier Battery Life Outstanding battery life with up to 60 hours play back time with fast charging. Adaptive Noise Cancellation and Transparency Mode Advanced noise cancellation automatically adapts your sound to your surroundings. Transparency Mode lets you hear external sounds without removing your