Vintage 2008 Panasonic RP-HV298 earphones stereo Headphones -3.5mm [Model]: RP-HV298 [Unit diameter]: 14.8 mm [Impedance]: 16 ? [Maximum input power]: 50mW [Sensitivity]: 104 dB/mW [Frequency range]: 10 Hz - 25 kHz [Weight]: 6g [Cable length]: 1.1M long and short cable (left short and right long), with volume controller on the line, no microphone [Plug type]: 3.5mm 24K curved gold-plated plug Panasonic Stereo In-Ear Headphones RP-HV298 Panasonic RP-HV298 is a high-quality in-ear headphone that uses the XBS system to enhance the bass effect, creating a good sound field to provide the best sound quality. It also comes with a thoughtful wired tuning function to easily adjust the appropriate volume. It is suitable for various portable players, CD players and small radios, etc. A storage box is also provided, which is very convenient to use or carry.