AI Language Translation Earbuds Real-Time, Bluetooth 5.4 Headphones Translator for 144 Languages & Accents with Charging CaseProduct details The running earbuds are equipped with a large 14. 2mm built in driver, a high resolution decoder and a unique three layer composite diaphragm design, which enhances the bass by 43% to prevent sound distortion and bring you vivid and detailed sound quality. During use, the noise cancelling earbuds are supported by four ENC microphones to eliminate 80% of background noise, ensuring clear calls even in noisy environments such as traffic,