Panasonic RP-HJE120 ErgoFit In-Ear Headphones Stereo Earbuds (4-Pack, Blue) by Panasonic Color-matching for iPod Nano 5th Generation Ergo-Fit Design for Ultimate Comfort and Fit 3 Pairs of Soft Earpads Included (S/M/L), 1 Year Limited Warranty, Parts and Labor Impedance (ohm/1kHz) - 16