Bass that rocks, and ready to roll. Introducing JBL T110 in-ear headphones. They’re lightweight, comfortable and compact. Under the durable earpiece housing, a pair of 9mm drivers is tuned for a frequency response of 20 Hz to 20 kHz with JBL's Pure Bass sound emphasizing deep low end. They punch out some serious bass, reproducing the JBL Pure Bass sound you’ve experienced in concert halls, arenas and recording studios around the world. In addition, the single-button remote on a tangle-free flat cable lets you control music playback, as well as answer calls on the fly with a built-in microphone. Making the JBL T110 your everyday companion for work, at home. The tangle-free flat cable incorporates an in-line, one-button remote and a convenient built-in microphone. The 3.5mm mini-plug ensures compatibility with most mobile devices, computers, and headphone amplifiers. Optimize the fit and seal of the headphones via three pairs of included eartips .