RadioShack Headset/Handset Switch<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Makes most modular hones headset-ready</li><li>Easily switch between your handset and hands-free headset</li><li>Accepts standard 2.5 mm headset plug</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41IeV4S-ZrL.jpg" noproxy>