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Bowers & Wilkins PI4 are premium in-ear noise-cancelling wireless headphones delivering immersive, studio-quality sound in a compact design. Engineered with precision inspired by the renowned 800 Diamond Series speakers used at Abbey Road Studios, these headphones offer exceptional audio clarity and adaptive noise cancellation for on-the-go listening. Designed for Movement Custom 14mm drivers, developed by the team behind Bowers & Wilkins’ iconic studio speakers, deliver rich, full sound in a sleek, lightweight form factor. The PI4 keeps you immersed in your music wherever you are. Unmatched Audio Quality Featuring the aptX codec, enjoy high-quality wireless audio streaming for music, movies, and gaming with every detail reproduced accurately. Adaptive Noise Cancelling Advanced noise-cancelling microphones reduce distractions from traffic, terminals, subways, and office environments, helping you focus on your audio experience. All-Day Battery Life With up to 12 hours of playback on a single charge and a quick 15-minute charge providing an extra 3 hours, the PI4 is perfect for long flights and busy days. Comfortable, Secure Fit Soft silicone and rubber ear tips ensure a comfortable and secure fit for everyday use. Smart Pause and Play Magnets clip the earpieces together when removed, automatically pausing your music. Separate them to resume playback instantly. Key Features In-ear noise-cancelling wireless headphones Custom 14mm drivers designed by Abbey Road Studios team aptX codec for high-quality audio streaming Adaptive noise-cancelling microphones 12-hour battery life with 15-minute quick charge for 3 hours playback Comfortable soft silicone and rubber ear tips Magnetic clip for automatic pause and play What’s in the Box PI4 headphones Storage case USB-C charging cable Ear tips (small, medium, large) Ear stabilisers (small, medium, large)