LeEco thinks that analog audio connectors like the 3.5mm audio jack are a thing of the past and starting with the new Le trio is moving to an all-digital solution called CDLA. This stands for Continual Digital Lossless Audio and has already been certified by the Music Association of China. Headphones will be plugged into the USB Type-C port, which will stream lossless audio to a decoder chip inside the headphones themselves. One benefit of this setup is that it simplifies noise reduction - analog headphones typically need batteries to power the electronics necessary for noise reduction...
Source: http://www.gsmarena.com/here_are_leecos_usb_typec_headphones_with_lossless_audio-news-17854.php
