2014 Promotional Earphones with Mic for Cellphones
Model Number: HF-1401-1
Key Specifications/Special Features:
Mic type: 6*5mmImpedance: maximum 2.2KΩSensitivity: -58 ±2dB (0dB=1V/PA)Directivity: omnidirectionalS/n ratio: more than 60dBSensitivity reduction: within -3dB at 1.5VMic frequency: 30...
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