Panasonic is back with its latest in-ear headphones called the RP-HJE600. With 12.5mm drivers for sound, these headphones work on an area of frequency from 6 to 26,000 Hz and provide an impedance of 16 Ohms. These earphones also come with a 24K gold plate connector 3.5 mm and are available in a variety of colors including White, Black, Silver, Blue and Red.