wired earphones feature fine-tuned acoustic design via an axial-aligned driver to deliver an exceptional listening experience. the laser-precision venting provides micro-pressure balanced bass while the dual-chamber acoustics delivers synchronized sound and natural tonality across all types of music. isolate noise: these sound isolating earbuds can block out 90 percent ambient noise. you can easily enjoy your music anytime anywhere with these noise isolating earbuds. features: reinforced joints tangle free cable noise isolating earphones gold plated 3.5mm connector heavy bass driven sound ysm1000 comes with a stylish rubber carry case 6 sets of silicon earbuds gold plated 3.5mm connector: gold is highly resistant to corrosion or oxidation, so it prevents poor connections from those sources so your music will always sound great. sound and bass: high quality audio signal transmission ensures outstanding performance. strong bass stereo makes the bass more energetic - ideal for getting your heart rate up at the gym.