BATTERY LIFE: Headphone (1) is designed to keep up with your day. Enjoy up to 35 hours of playback with Active Noise Cancellation on, or extend it to 80 hours with ANC off. A quick 5-minute charge gives you up to 5 hours of listening, so you’re always ready to go. ACTIVE NOISE CANCELLATION (ANC): Pure sound, without the commotion. Advanced hybrid Active Noise Cancellation uses dual feedforward and feedback microphones to reduce noise effectively. It checks your surroundings every 600ms and adapts the cancellation level in real time. LOSSLESS AUDIO: Headphone (1) supports LDAC, USB-C audio, and a 3.5mm jack for wired, high-quality playback across any setup. Whether connected, or used wirelessly, Hi-Res Wireless certification and 24-bit/96kHz precision delivers lossless sound with exceptional clarity and detail. COMFORT: Headphone (1) is designed with a focus on ergonomic fit and softness. The PU ear cushions provide a gentle touch that resists oils and makeup, while the optimised ear cup depth ensures a secure, balanced fit. This design minimises pressure and maximises comfort for all head shapes. ENC: No missed words or muffled voices. Four microphones work with AI-powered Clear Voice Technology to isolate your voice and suppress surrounding noise. Trained on over 28 million real-world scenarios, it keeps you clear in cafés, on calls, or in windy conditions. DESIGN: A minimal, distinctive design crafted to stand out and built to last. Every detail of Headphone (1), from the choice of materials to the integration of tactile controls, was thoughtfully considered to create a striking aesthetic that reflects our transparent, bold identity. BUILT TO LAST: Headphone (1) is carefully engineered for strength, and tested against a full set of hardware reliability standards to ensure it performs under pressure. That includes over 50 tests covering headband extension, drop impact, sweat, twist, and temperature resistance. IPX2 Water and Dust resistance. SOUND BY KEF: The sound of Headphone (1) is acoustically engineered in partnership with KEF, a historic name in audio with over 60 years of expertise. Known for precision and natural balance, KEF brings a level of refinement and enhancement, resulting in detailed, immersive audio that’s true across every genre. SPATIAL AUDIO: The spatialiser in Headphone (1) transforms any stereo audio source into a fully immersive experience. Whether you’re watching a film, playing a game or streaming music, it creates a multi-dimensional soundscape that surrounds you. NOTHING X APP: With the advanced 8-band EQ, you can customise your sound to make it truly yours. Dual connection lets you switch seamlessly between Bluetooth devices, while customisable controls let you programme the Button to do exactly what you want.