Cresyn C150h Black Earset Headphones Ergonomic Clip Design with Mic<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Type : Open Air Dynamic Driver units : 28mm</li><li>Frequency range : 16 Hz ~ 24kHz impedance : 20 ohm</li><li>Sensitivity : 102dB Max power input : 500mW</li><li>Cord length : 1.2M Plug type : 3.5mm</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51CeeHMt7iL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41pZXUte3dL.jpg" noproxy>