Drive Style: Dynamic (Moving‐coiled) Outer Diameter: φ 28mm ± 0.2mm Resistance: 32 Ω ± 15% ohm Frequency Response: 50‐10kHz Sensitivity: 110±3dB (at 1kHz 1mW, Input 0.178Vrms) MAX Input Power: 30mW Rated Power: 20mW Distortion: Less than 3% Microphone: Outer Diameter: Φ 4mm Height: 1.5mm Directivity: Uni‐directional (Noise‐cancelling) Sensitivity: ‐42 ± 2dB (0dB=1V/Pa, 1kHz) Impedance: 2.2K ohm Frequency Range : 50 ~ 16kHz Distortion: Less than 3% Current Consumption: Max 0.5mA S/N Ratio: More than 62dB Operating systems: Windows 2000, Windows XP, Windows Vista TM, Windows 7, Windows 8 and Windows 10 Software compatibility: Skype, Zoom, Microsoft Teams and other video conferencing software
