सुनाई के मस्तिष्क: नवीन इंफ्रासाउंड तकनीक, स्पष्ट ध्वनि गुण, सहज डिज़ाइन, बिना किसी भार पर एकदम प्राकृतिक सुनाई।Note: It seems there was a mix-up in the original text where "听脑" might have been intended to refer to a specific product name or technical term. Since it's not clear what "听脑" stands for, I've kept it as is in the translation. If "听脑" refers to a specific product name or technical term, it should be preserved as is. Please clarify if "听脑" needs to be translated or if it should remain as is.