FeaturesIntroducing the most technically sophisticated and durable headset ever manufactured by Califone. This Mac amp; PC compatible Titanium series stereo headset will help optimize differentiated learning experiences with breakthroughs in safety, performance, comfort and durability.Headsets used in classrooms or libraries are constantly handled and worn throughout the school week. To keep it in top condition, the HPK-1050 (and HPK-1550 with Guaranteed for Life cord) is the first of its kind that can be completely immersed in soap and water (after its cord has been detached) for washing! Once cleaned and thoroughly dried, simply reconnect the body to its replaceable cord and the Titanium headset is ready for reuse.