2XL Shakedown Headphone with Full Suspension X5SHFZ-820 (Black)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Driver Diameter: 30 mm </span></li><li><span class="a-list-item"> Plug Type: 3.5 mm gold plated </span></li><li><span class="a-list-item"> Max. Input Power: 100 mW </span></li><li><span class="a-list-item"> Impedance: 32 ohms </span></li><li><span class="a-list-item"> Frequency Range: 20-20，000 Hz </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41gdJZPmCaL.jpg" noproxy>