Signal-to-noise ratio: >118 dB, Impedance: 32 ohms, Sensitivity (speaker): 90 dB, Microphone type: Omnidirectional, Speaker bandwidth: 200 Hz to 6.8 kHZ (speech mode); 20 Hz to 20 kHZ (media mode), Microphone bandwidth: 100 Hz to 10 kHz, Warranty: 02 Years Limited, 8X217AA.