MOMENTUM 4 Wireless with a striking new look. This limited-edition release honors our legacy of innovation and craftsmanship, where engineering meets artistic expression. Perfect for music lovers, creators, and disruptors alike, the 80th Anniversary Edition fuses our obsession with audio precision with a powerful visual statement. The same unmatched sound, comfort, and battery life is now dressed for a milestone. 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 headphones. Premium Comfort – Lightweight design features a padded headband and deep cushioned earpads to ensure exceptional and long-lasting wearing comfort. Customizable Sound – Listen your way with built-in EQ, presets, sound modes, and Sound Personalization feature, which tailors the audio to your individual hearing – all accessible via the Sennheiser Smart Control App. Crystal-clear Calls – Four digital beamforming microphones ensure high quality voice pick-up and automatic wind noise suppression for optimized calls and easier voice assistant access (Siri and Google Assistant).