Silent listening experience: enjoy focused, quiet listening with advanced noise reduction technology delivering up to 200B noise reductions. Experience immersive sound with style and comfort and no interference. precision sound: 40 mm dynamic driver provides precise, cinematic sound with rich detail and solid durability for long lasting performance. Low latency wireless connection: BT5.3 chip enables a stable, low latency connection for synchronized audio and video playback. Portable and easy to carry: advanced noise reduction keeps distractions out and delivers crystal clear sound. Foldable, comfortable design plus light, compact storage for easy transport and travel. Key features and attributes Function: noise reduction headphones with wireless BT5.3 connectivity, designed to deliver immersive, low interference sound. Performance: 40 mm dynamic driver for clear, detailed audio and a durable build for reliable daily use. Connectivity: BT5.3 wireless technology for stable connections to compatible devices. Design and portability: foldable and lightweight construction that fits easily into bags or carry cases; compact storage when not in use. Comfort: designed for a comfortable fit during extended listening sessions. Use scenarios Daily commute or travel: block ambient noise and enjoy clear, immersive sound on buses, trains, or planes. Focused study or work: minimize distractions in loud environments to improve concentration and productivity. Relaxation or entertainment at home: experience cinematic sound without disturbing others, whether listening to music, movies, or podcasts. Note: This description preserves the original specifications and functions, including up to 200B noise reduction, a 40 mm dynamic driver, BT5.3 connectivity, and a foldable, portable design for easy transport.