Pioneer SE-E721 Earphone : Black, Red, or White (Red)
Model: Closed Dynamic
Driver diameter: 9mm
Play frequency band: 5 ~ 23000 Hz
Maximum input: 100mw
Impedance: 32 ohms
Output sound pressure level (sensitivity): 105dB
Plug: 3.5mm stereo mini plug
Code: 1.2m (when stretched: 1.5m approx.)
Weight: 6.5g (Not including cable)
Accessories: Earphone Chip