Body font family verdana geneva sans serif font size11px td font family verdana geneva sans serif font size11px hifiman re 400i in ear monitors the re 400i waterline earphones by hifiman are a premium quality high performance in ear monitor iem that set the standard for others to follow designed to specifically work with iphones ipads and other apple products these earphones feature advanced ergonomics for superb fit and premium materials such as titanium diaphragm neodymium ma