new single side bluetooth headset for call center
Dricer unit:40mm
impedance:32Ω+15%
Frequency response20-20KHz
Sensitivity:104±3dB
Microphone type:Single-pointing
Microphone sensitivit:-42土3dB
Microphone impedance:2.2KΩ
Interface:BT5.0
Battery:200mA
Charging Time：1-2H
Calling Time：>12H
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1 Year Warranty
1 Year Quality Warranty
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