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Fashionable Promotional Earphones with Mic for Cellphones
Model Number: HF-1402
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: 30-1... |
2017-12-16 |
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40mm Speaker Computer Headset, High-quality Sound, 3.5mm Plug
Model Number: TM-5017MV-1-1
Brand Name: Hisonic
Key Specifications/Special Features:
Audio-in operation Internet phone talk IP telephoneMicrophone type: 9 x 7mmImpedance: maximum of 2.2KSensitivity: -58 ± 2dB (0dB, 1W/Pa)S/N ratio: more than 60d... |
2017-12-12 |
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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... |
2017-11-14 |
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