Sentry Boombuds Noise Reduction In-Ear Buds Color Varies - Sentry HO320 by Sentry<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Frequency: 20Hz-20kHz </span></li><li><span class="a-list-item"> Impedance: 32 Ohms </span></li><li><span class="a-list-item"> Cord Length: 4 ft </span></li><li><span class="a-list-item"> Plug type: 3.5mm </span></li><li><span class="a-list-item"> Drivers: 10mm </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/4160JG5wUFL.jpg" noproxy>