Panasonic RP-HJE120 ErgoFit In-Ear Headphones Stereo Earbuds (6-Pack, Black) Impedance (ohm/1kHz) - 16 Color-matching for iPod Nano 5th Generation 3 Pairs of Soft Earpads Included (S/M/L), 1 Year Limited Warranty, Parts and Labor Ergo-Fit Design for Ultimate Comfort and Fit,3.5 mm plug