RHA is a British audio company that specializes in making premium in-ear headphones. In fact, that's all they make. The company's S500i is one of their more budget offerings. It is also prominently placed in the audio section of the Apple Store, which is interesting considering it no longer plugs directly into their flagship smartphone. Anyway, we had a chance to test one recently, so we decided to take it for a spin. Design The S500i design focuses primarily on the size. The speaker housing prioritizes compact dimensions, and is one of the smallest driver enclosures I've come...
Source: http://www.gsmarena.com/rha_s500i_review-news-21987.php