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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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