Listen to clear unimpeded sound through these Q:Electronics Noise-Isolating Ear Buds, With three (3) sizes of ear bud tips included to provide the most comfortable fit bringing out the bass and really clearing up the higher ranges, These are NOT Noise-Canceling Headphones that reduce the lower-decibel level sounds like drone of airplane engines or AC fans, Noise-Isolating headphones/ear buds block out the higher-decibel level sounds like talking or the clicking sounds of keyboards or keypads, SKU: HDST096