Active noise-canceling Bluetooth headphones, Bluetooth 5.4, 40mm polymer diaphragm, 360° spatial sound effect foldable headphones (Retro Brown).

🔇 -25dB Multi-layer Active Noise Cancellation: Built-in professional noise cancellation chip with multi-layer algorithms covers high and low frequency noise, effectively isolating traffic noise and human voice noise during commutes and studies; it also supports call noise cancellation, accurately separating human voice and ambient noise during calls for clear, interference-free outdoor calls.

📶 Bluetooth 5.4 Stable Low-Latency Chip: Utilizes the new Bluetooth 5.4 protocol, ensuring stable connection even without obstacles, excellent anti-interference capabilities, and automatic quick pairing upon power-on; supports SBC high-definition lossless transmission, allowing seamless switching between two devices to ensure uninterrupted music playback and incoming calls.

🔊 40mm Polymer Natural Fiber Diaphragm Unit: Large-size composite driver unit, Hi-Res Audio Double Gold certified, providing low-distortion resolution and presenting delicate vocal and instrument sound quality; a wide and stereo soundstage, rich bass, combined with 360° spatial audio algorithms, delivers an immersive viewing experience.

🎧 360° Panoramic Surround Sound: A dedicated spatial audio algorithm reconstructs a three-dimensional sound field, delivering clear sound positioning and layering for a truly immersive surround sound experience. A professional acoustic team precisely tunes the entire frequency range to reproduce a lifelike live listening experience, maximizing immersion for watching shows and listening to music.

☁️ Ergonomic and Comfortable Wearing Design: 90° rotating earcups fit different face shapes; metal telescopic arms adapt to various head sizes; foldable design for easy storage and portability; thickened, skin-friendly protein leather full-coverage earcups provide pressure-free wear even when wearing glasses; lightweight and pressure-relieving headband ensures comfort even during extended wear.

🔌 Wired/Wireless Dual Mode Switching: Supports wireless Bluetooth connection for daily use; when the earphone battery is depleted, it can be connected to a computer and player via a 3.5mm audio cable for a wired connection, unaffected by battery life limitations.

🔋 350mAh High-Capacity Long-Lasting Battery: Built-in 350mAh lithium battery and low-power Bluetooth chip effectively extend battery life, meeting the needs of all-day commuting, online classes, and video watching, reducing the number of charging cycles.