The Point Source Audio CM-i5 in-ear intercom headset provides you with lightweight comfort and incredible noise isolation. Its patented in-earphone design blocks outside noise so you can focus on your performance. You'll appreciate how easy it is to switch between listening modes to create your ideal mix. The detachable and replaceable in-ear headphones let you personalize your headset or replace components when needed. At just one ounce, the CM-i5 is a fraction of the weight of comparable headsets, eliminating fatigue during long sessions. The condenser microphone rejects noise 12dB off-axis for clear communication.