- STEREO SURROUND SOUND - Strong Stereo,Bass Driven Sound,Professional Design Provides Powerful Bass Enhanced Sound with Superb Musical Details. - NOISE ISOLATING - Ergonomic Design and Oxygen-Free Copper Wiring Blocks Interference for Better-Sounding Audio - STAY PUT IN EARS WHILE WORKING OUT with strong bass - Eco Friendly Cotton Threated wires - COMPATIBLE WITH ANY PORTABLE DEVICES WITH 3.5MM AUDIO JACK - CONTROL CALLS - Hands Free Calling and Easy Controls for Skip, Pause and Play. Packing List 1 × Earphone