•Frequency range: 20 -20000 Hz (ear phone), 100 -10000 Hz (Mic) •Sensitivity: 102 dB (earphone), -42 dB +/- 3 dB (Mic) •Impedance: 30 Ohm (earphone), 2.2k Ohm at 1kHz •Maximum power input: 30 mW (earphone) •Noise canceling microphone eliminates unwanted background noise •Detachable ear hook for left or right ear wearing option •Lightweight and dual side application for maximum comfort •2 x 3.5mm plug, 2.0meter cable length •Works with QQ, Skype, Windows Live Messenger, Yahoo! Messenger, ICQ
