Panasonic RP-HJE120-S In-Ear Earbud Ergo-Fit Headphone (White/Silver) for $4.99

Select Specifications Drive Unit (mm): 9 Impedance: 16 Sensitivity (dB/mW): 96 Max. input (mW): 200 Frequency Response (Hz-kHz): 20 - 20 Cord length (ft): 3.6 Weight w/o cord (oz): 0.14 In-cord Volume: No Miniplug (3.5mm): Yes Air Plug Adaptor: No Magnet Type: Nd:Neodymium Plug: Nickel