HUAWEI FreeBuds Pro 4 In-Ear Headphones, True Wireless, Hybrid ANC, Bluetooth, IPX54, Multi point connection, 33h battery life, Wireless charging case, White Premium sounds A rigorous 72-hour sintering process at 1480℃ makes Ceramic DECO more durable and impact-resistant than ever. Ceramic DECO features laser-etched silver cords with a glossy finish that is comfortable to the touch. HUAWEI SOUND Cutting-edge technology recreates authentic sounds Total immersion in what is meant to be heard These headphones deliver an astonishing 14Hz bass, thanks to a remarkable dual-driver configuration and a 11mm quad-magnet dynamic driver unit. Hear more of what you love with a flat-diaphragm tweeter that consistently generates delightfully clear highs up to 48kHz. An enhanced triple adaptive EQ algorithm guarantees a consistently high-quality listening experience by detecting the volume level, ear canal structure and wearing status in real time and automatically making adaptive EQ adjustment based on the equal intensity contour in the ear. Lossless audio quality for authentic sounds HUAWEI FreeBuds Pro 4 is the first pair of earphones to support 2.3 Mbps lossless transmission, thanks to Huawei's exclusive L2HC 4.0 audio codec and enhanced Polar Code technology. HWA Lossless and Hi-Res Wireless Audio certifications mean this exceptional sound really isn't too good to be true! Tuned by experts HUAWEI FreeBuds Pro 4 is tuned by musicians from the Central Conservatory of Music to provide a concert-level listening experience and features two stunning sound effects to capture your imagination. Classic Immersive stereo audio effects to create a fully immersive sound field with every detail. BalancedDelivers lush highs, powerful bass, and everything in between and beyond. Hear and be heardCrystal clear Calls from anywhereCalls are clear in wind speeds of up to 10 m/s6 and in situations with noise levels of up to 100 dB, such as concerts, theaters, or the subway, thanks to an advanced AI call noise cancellation algorithm, with powerful sound capture made possible by an inverted bone conduction microphone that works alongside three other microphones. Outstanding noise cancellationBrand new three-layer shape-memory foam ear tips cancel out up to 30% more ambient noise. With memory foam, the ear tips automatically expand to fit your ear canals for a tighter fit. Tune Out, Tune InThe tip fit test matches the noise cancellation parameters of two types of ear tips. This allows you to personalize your fit and listening experience while keeping noise at bay - even on flights or high-speed trains - with intelligent dynamic ANC. Nod to answer phone callsAnswer or reject incoming calls hands-free, just by nodding or shaking your head.