Spefication: Driver: 8.0mm Frequency Response: 20Hz- 20,000kHz Impedance: 16 +/- 10%(1Khz/1Vrms) Sensitivity (SPL): 95 dB(1khz/1Vrms) Total Harmonic Distortion (THD): <5% (1Khz/1Vrms) Rated Power: 3 mW Max Power: 5mW Connector: 3.5mm, golden-plated Length: 1.2m Weight: Approv.0.18oz. (5g) w/o cable Operating Temp.: 0 C 35C (32 F -95F) Certifications:RoHS, CE Compliant Warranty: one year