Panasonic On Ear Stereo Headphones RP-HF100-K with Travel-Fold Design, blue The stylish Panasonic RP-HF100 On-Ear Headphones skillfully combine the high-performance quality of on-ear headphones with the convenience and comfort of lightweight portability. Their powerful, dual 30mm drivers and neodymium magnets deliver an impressive balance of full, resonating bass and lifelike mid and high-frequency tones for clear, natural sound outdoors and in (10Hz-23kHz). They fold two ways — flat fold or inside fold — for a neat, ultra-compact fit in bags, purses and packs. Soft, high-comfort earpads fit snugly on the ears. The Panasonic RP-HF100 On-Ear Headphones come in a choice of elegant finishes — black, white, blue or pink.