OnePlus Nord Buds 4 Pro

• 55 dB Active Noise Cancellation · 5000 Hz RangeDual-feed ANC delivers deep suppression across mid-to-high frequencies for immersive focus in busy, complex environments. TÜV Rheinland certified for high-performance noise cancellation.
• Real-Time Adaptive Noise ControlNoise reduction curves are generated in real time based on your ear canal shape, how you wear the earbuds and ambient noise — so every second of ANC is tailored and comfortable.
• Adaptive Fit-Based OptimisationNoise cancellation adapts to your ear canal and wearing status, keeping comfort and stable noise reduction during long listening sessions.
• 12 mm Titanium-Coated Dynamic DriverA large-amplitude driver with PET titanium-coated diaphragm and N52H magnet boosts bass extension, transient response and loudness with low distortion.
• Hi-Res Audio · LHDC 5.0Supports up to 96 kHz / 24-bit audio with wireless bitrates up to 1 Mbps for accurate sound and stable playback, even in interference-prone places.

In the box: TWS earbuds, Charging case, USB Type-C cable, Extra ear tips, User manual