[-44dB Hybrid Active Noise Cancellation] Advanced hybrid active noise cancellation technology, combined with the upgraded full-fit over-ear design, ensures excellent passive noise reduction and achieves a noise reduction depth of up to -44dB, letting you immerse yourself in a world of music anytime, anywhere. [Quality Sound] The 40mm dynamic driver provides an expansive soundstage and powerful bass, while the titanium-coated diaphragm ensures clear and transparent mid-high frequencies, making every listening session pure and enjoyable. In addition, it also supports Hi-Res audio under USB-C wired connection. [Clear Call] Integrated Al call noise reduction algorithms and a high-sensitivity microphone effectively recognize background noise, preserving human voices for clear hands-free calls. [Faster and More Stable Connectivity] Utilizes the latest Bluetooth 5.4 technology for faster transmission speeds, stronger anti-interference capabilities, and lower power consumption. [Du