[Reduces Noise Up to 46dB] SOEWIOU Melobuds Pro features unique adaptive ANC that automatically detects ambient noise and utilizes advanced algorithms to achieve effective noise cancellation. You can choose 4 different noise-canceling modes adapt to your environment, keeping you immersed in any place. [Hi-Res Sound with LDAC] Experience true fidelity with powerful 12mm Large Bio-diaphragm driver that support LDAC and Hi-Res Audio. The MeloBuds Pro transfer 3x more detail than other Bluetooth ear buds for the highest quality in Bluetooth wireless audio. (*LDAC is only compatible with Android devices, please activate LDAC in the App settings.) [AI-Powered 6 Mics for Crystal Calls] Powered by advanced ENC technology and 6 microphones powered by AI algorithm that picks up your voice precisely and blocks out background noise. Be heard clearly whenever you're on calls, video chats, live streams, etc.