Koss KPH7 Lightweight Portable Headphone, Black

Increased Bass: The ELR50 has been designed to highlight the bass and tone of your tracks; The 9mm neodymium drivers of this headphone set ensure premium sound quality; Regardless of volume, you’ll enjoy crystal clear audio at all times
Noise Isolation; Complete with innovative sound isolation technology, these in ear headphones have been carefully crafted to keep unwanted surrounding noise to a minimum. Eliminating distraction, these earbuds provide a truly immersive experience
Perfect Fit; Betron ELR50 headphones equipped with three earbud pairs sized small, medium and large, you can select the most compatible fit for your exact ear shape; guaranteed to provide maximum comfort and stay in place all day long

The sound quality is copied from the bass high range to the treble high range. In order to prevent resonance, the loudspeaker is superior to shockproof, and clear sound is realized. The lightweight design also allows for powerful bass.
Durable, acid resistant, durable aluminum is used to make headphone body. In addition, TPE with high elasticity is adopted and the cord is covered to improve the durability and prevent disconnection. The coating is made of oxygen free copper wire and insulating material.
Press this button to perform phone response / end / reject, music play / stop and send / undo operations. The microphone is equipped with a remote control, which enables hands-free and real-time calls during the game.With volume adjustment button, you can use headphones to adjust the volume.