* Lightweight in-ear headphone provides natural clear sound and super enhanced bass.* Noise-isolating in-ear design blocks ambient noise, helps you focus on listening pleasure.* Built-in microphone enables you to make and receive hands-free calls while doing sports.* With 3.5mm universal earphone plug, it's compatible with 3.5mm audio devices.* You don't have to worry about running out of power, as it gives you unlimited wired listening.* The oblate noodle-like earphone cable is durable and tangle-free.