家电设计-耳机耳麦-花瓣网|陪你做生活的设计师 | Wireless Stereo Headset for Sports WF-SP700N / WI-SP600N / WI-SP500 / Sony : Get the inside story on the genesis of Sony's newest wireless stereo headsets, which embody the new 'Holistic Wellness' value system to harmonize with the lif