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www.toboc.com
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"Bluetooth "Headset
Features:
Mic type: 9mm x 7mm
Impedance: maximum2.2k
Sensitivity: -58dB ± 2dB (0dB=1V/pa)
Directivity: omnidirectional
S/N ratio: more than 60dB
Sensitivity reduction: within-3dB at 1.5V
Mic frequency range: 30Hz-16,000Hz
Speaker: 3 ...
Sku: HEA-C0119C
Price: 1.00 USD
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