The dynamic neodymium controllers provide a precise precise sound with 30mm dynamic neodymium diaphragm units, the headphones offer a rhythmic response even with the most demanding tracks. Combined with a high sensitivity diaphragm, you will be able to convert the audio headphones - without the need for an amp - and still enjoy clear and precise sound across the spectrum. Rotating folding design makes the trip easy to take these headphones anywhere you go. Features: 30 millimeter drivers for ric