"Bello Sport In Ear Headphones are created with a lightweight design using low mass metal construction, providing you with superior sound wherever you are located. The Bello Sport In Ear Headphones have a soft ear hook that bends to a custom fit around your ear; making them perfect for running or weight training. Featuring precision bass, the Bello Sport In Ear Headphones are made with 99% oxygen free copper wire, which provides extraordinary signal transfer resulting in amazing sound. It also features a multifunction controller with microphone, and a weight balanced, tangle resistant cable for easy travel. Music will be a powerful exercise motivator for you with the Bello Sport In Ear Headphones! Materials: Plastic Dimensions: 5.5""""L x 5.13""""W x 1.13""""H Weight: 0.36 lbs."