Panasonic headphones (RP-HJE125E-K)

Ergofit Design for Ultimate Comfort and Fit
Enjoy full listening comfort with soft, snug earbuds that conform instantly to your ears. Three pairs of included, ultra-soft earpads (small, medium, large) ensure a perfect fit for every ear.

Frequency Response
Large 9-mm neodymium drivers produce a wider frequency response (10Hz–24Hz) than most earbuds in its class, providing a fuller sound listening experience from base to treble.