Audio-Technica CK350iS In-Ear headphones connect via the Aux 3. 5mm port. The 1. 2 meter cable is designed to prevent tangle. The ear cushions are soft, comfortable to wear and come in many sizes. For proper firmness the cable has a remote control to play music. And a microphone for talking on the phone The sound frequency range is wide. Therefore can listen to music in many genres The sound quality is over the price. The high pitched voice is clear and clear, the vocals are outstanding. Clear every word The bass has a deep impact. The sound has a wide and vertical dimension, distinguishing the instrument well.