HIFI sound quality: 40 mm large dynamic driver delivers accurate, penetrating sound with bright highs and solid bass. An upgraded sound cavity improves pressure accuracy and clarity, expands the sound field, and enhances bass elasticity for a true fidelity listening experience. Clear calls with noise reduction: Advanced Bluetooth compatible chip provides lowlatency audio and lower power consumption for stable calls. Digital noise reduction paired with a quality microphone system ensures clear voice transmission in noisy environments. Upgraded fast charging and efficient power use: Higher capacity battery with lowpower micro power technology to support long listening sessions. Optimized for lowlatency gaming and quick responsiveness so what you hear aligns with what you see. Comfortable to wear: elasticity memory foam padding with a leather cover for daily listening comfort. Durable metal arm with telescopic adjustment to fit a variety of head shapes for a secure, comfortable fit during extended use. Foldable and portable: Foldable arm design for compact storage and easy portability. Lightweight and travelfriendly, easily fits into handbags or luggage for onthego use. Ideal usage scenarios: Daily commuting and office calls: enjoy immersive audio and reliable hands communication during work or travel. Gaming and multimedia: lowlatency performance for responsive gameplay and clear ingame dialogue. Travel and remote work: compact, foldable design and comfortable fit make long sessions more comfortable on the road or at a remote workstation.