Sony Xba100 Q [Sealed Inner-ear Receiver Balanced Armature Driver Unit Mounting] Japan Import<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Model: sealed Balanced armature type. Driver Unit: balanced armature </span></li><li><span class="a-list-item"> Sensitivity: 105dB/mW. Playback frequency: 5-25，000Hz. Impedance: 16Ω (1kHz). Maximum input: 100mW. </span></li><li><span class="a-list-item"> Cord Length: about 1.2m. Code Type: silver-coated OFC litz wire (Y type). </span></li><li><span class="a-list-item"> Input Plug: Gold-plated L-shaped stereo mini plug. Weight: about 4g (excluding cable). </span></li><li><span class="a-list-item"> Accessories: hybrid earpiece (SS， S， M， L 2 each)， carrying Pouch， clip， cord length adjuster. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31d906LhuoL.jpg" noproxy>