iM-490 iMetal® Isolation Earphones Featuring high-fidelity 9mm neodymium drivers, a gold-plated 3.5mm stereo plug, and a unique lightweight alloy metal body that effectively delivers clear, powerful sound while providing a comfortable listening experience. MSRP:$49.99. Where to Buy     Features Specifications •  High-fidelity 9mm neodymium drivers •  Premium carrying case •  2.5mm adapter •  3 pairs/sizes (L,M,S) of eartips •  2-ft extension cable •  Frequency response: 18Hz-22KHz. •  Sensitivity (1KHz, 0.1V): > 100dB. •  Maximum SPL output: >120dB