The Sony LinkBuds are unique – they are designed for all-day wear and always let the sounds of the world reach your ears. A second model in the series has leaked, but it looks strangely normal, like a cheaper version of the WF-1000XM4. It should be marketed as the Sony LinkBuds S (WF-LSN900) when it goes official. The original model has a model number WF-L900. More importantly, it has a hole in the middle of the ear tip, which lets in ambient sound unimpeded. The S model does not, instead it will allegedly feature an Ambient Mode to try to do the same. This mode is found on many...
Source: https://www.gsmarena.com/sony_linkbuds_s_leak_shows_traditional_design_promises_anc_and_ambient_modes-news-54094.php
