1. Metal housing headphone with strong bass-driven stereo sound. Passive noise isolating earphones provides good listening experience and clear calling.
2. Built-in Microphone, convenient hands-free calling, answer, reject and end calls directly with the earphones. Volume up, volume down, pause, play. (Not for ios devices).
3. Comfortable ergonomic in-ear design with soft silicone sweat-proof eartips reduce outside noise, so you can enjoy music on the go.
4. Compatible with all 3.5mm audio cable jack smartphones and devices