The Point Source Audio CM-i3 in-ear intercom headset was designed for musicians seeking lightweight, comfortable in-ear monitoring. It provides excellent noise isolation, allowing you to focus on your performance. The slim, low-profile design lets you easily switch between left, right and stereo listening modes to craft your ideal mix. The detachable, replaceable earphones make servicing or customizing your headset simple. Weighing only two ounces, the CM-i3 is much lighter than traditional binaural headsets, eliminating fatigue during long sessions or performances. The 3.5 mm TRRS plug allows you to use the CM-i3 with your iPhone or iPad, opening up a world of intercom and monitor mixing apps.