The Fostex TH5BB Headphones are designed for use in playing back audio from your portable music device, as well as in studio applications. They have 30mm diaphragms and a lightweight, 9-ounce body. The TH5BBs feature a urethane headband and earpads designed to provide comfort during extended use. Their 1.2-meter cable terminates with a 1/8" connector. A 1.5-meter extension cable with a 1/4" adapter is included.