Bionic cochlear structure design Optimize the weight distribution of the body for comfort and stability Super Touching Circle Unit The bass extends full and rich 3.0 Directional sound transmission black technology efficiently concentrates sound waves to reduce sound leakage problems High-performance Bluetooth 5.4 Fast and stable transmission, enjoy listening at any time Adaptive audio tuning and real-time optimization enrich the audio layering Ultra-long power reserve Charging for 2 hours is sufficient for a whole day