Driver Unit:10mm
Impedance:16Ω
Sensitivity：108+/-3dB(at 1KHZ,0.5rms)
Frequency:18-20,000HZ
Length:120CM
Materil: Aluminum
Handcraft: Aluminum
Color: Black/Silver/Gold/Red
on-off key function:
Click(1X): On/Off (for phone call); stop/play (for music)
Click(2X): next (for music)
Click(3X): previous (for music)