Physical noise isolation up to 24dB, blocking disturbing snoring, noise, radiation protection certification, comfortable to wear, long-term wear without pain. Thin and compact, bionic ear-fitting curved surface design, black technology in the ear, bionic bionic ear-fitting curved surface design, natural fit like a whole The whale cavity stereo diaphragm is used to deeply analyze the sound, restore every detail of the sound, physically isolate the noise, and make the call clear, which is comparable to the thousand-yuan sound quality 10mm titanium-plated diaphragm, the experience of being in a theater, the three-frequency expressiveness is full, and the music details are rich and full. Surging bass style, full of low-frequency shock, bring you a shocking experience Configure a high-version Bluetooth chip to improve transmission efficiency, reduce loss, and achieve better connection stability and audio fluency Intelligent noise reduction and physical noise reduction, double blessing, no matter how noisy the environment is, it can be as clear as if you are face to face BT version: V5.0 Communication distance 10 meters Noise reduction version (in barrier-free environment): cvc8.0 Charging compartment capacity: 500mAh Single ear capacity: 45mAh Applicable products: smart matching mobile phones, tablets General functions: music play or pause, call reminder, binaural call, intelligent noise reduction