Panasonic RP-HJE900 Zirconia In-Ear Headphones

# Type: Closed, dynamic Stereo headphone
# Use unit: Diameter 8.5 mm
# Impedance: 26 Ohms
# Pressure response: 100 dB/mW
# Largest input: 200 mW (IEC)
# Playback frequency zone: 6 - 28,000 Hz
# Length of cord/code: 3.93ft.
# Plug: Stereo mini-plug, diameter 3.5 mm, straight type, 24K gold-plating
# Mass: 0.70 oz.