element Φ10mm dynamic type　
Acoustic system Tornado equalizer scheme, closed type
Output sound pressure level 106 dB SPL/mW
Frequency characteristic 5-40 kHz
Maximum input 200mW
impedance 18Ω
mass about 16g
plug Φ3.5mm L-shaped gold-plated stereo mini plug OFC litz wire x 4-core configuration
cord length 1.2m (Y type)
accessories Silicon ear tip (final E type) S/M/L size (M size is attached to the main unit), instruction manual and warranty card