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LHB50 Bluetooth Headset , Wireless Cell Phone Headset Noise Cancelling Mic, On Ear Bluetooth Headphones Bluetooth 5.0 40H
Category: Bluetooth Active Noise Cancelling Headphones
Input terminal: Bluetooth wireless +3.5mm pin
Bluetooth specification: Bluetooth V5.0
Transmission distance: >10m
Working voltage: 3.7v
Noise reduction type: feedback (single feed)
Noise reduction depth: 18DB±2
Battery capacity: 400mAh
Bluetooth working time: 15h
Noise reduction working time: 40h
Charging time: 1.5h
Unit diameter: 40mm
Impedance: 32 ohms
Frequency response: 20-20kHz
Speaker sensitivity: 105dB
Microphone sensitivity: -40db
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