Fast and Stable Connection: With the new Bluetooth 5.4 technology, this wireless earbuds has a 30% faster transmission speed, more stable signal connection, no delay, whether you are in the gym, sports, running, yoga, you will not lose the signal or interrupt the music. Thanks to the magnetic Hall effect technology, after the first pairing, just take the Bluetooth earbuds out of the charging box to achieve an immediate connection, and the connection distance can reach up to 15m. Clear call experience: This noise cancelling earbuds uses advanced ENC call noise reduction technology to effectively filter out more than 80% of external noise, ensuring that the other party's voice remains clear during busy commuting, work or exercise, providing you with a high-quality call experience. The Headphones equipped with 4 high-performance microphones, it can accurately capture your voice, so that the other party can always hear clearly throughout the call even in a noisy environment.