Coby Noise Cancellation Digital Stereo Earphonewith In-Line Volume Control CVE195 (Black) (Discontinued by Manufacturer) Professional Digital Quality Sound Powerful Samarium Cobalt Drivers for Super Bass Sound Noise Reduction Level: 12 dB at 300Hz Single-Sided Cord with Gold-Plated 3.5mm Stereo Plug Requires 1 x AAA Battery (Included)