The over-ear headphones deliver the Bang & Olufsen Signature Sound with innovative Active Noise Cancellation (ANC). The acoustics are professionally tuned by sound engineers to provide a rich and powerful listening experience. With the transparency mode, you can hear your surroundings when necessary. With a playback time of up to 25 hours, you no longer have to worry and can enjoy music all day long with ANC and Voice Assistant. The new Beoplay H9 has been updated with many new features, including the integrated transparency mode and Voice Assistant. A new bass port delivers even better bass performance. The sleek over-ear cushions cradle your ears in soft lamb leather and adaptive memory foam, ensuring an extremely comfortable fit even during extended use. Polished, anodized aluminum and genuine cowhide leather complete the luxurious design.