BT9474
Technical Parameters
1.Item Name: Active Noise Cancelling Headphones
2.Imput Port: Bluetooth wireless & 3.5mm Pin
3.Bluetooth Specificaton: Bluetooth V5.0
(QCC3003-CSR/AC6925D-JL available)
4.Transmission Distance: >10m
5.Working Voltage: 3.7V
6.Noise Reduction Type: One-way feedback
7.Noise Reduction Depth: 18~20dB
8.battery compacity: 400mAh
9.NC Working Time: 40h
10.Bluetooth Working Time: 15h
11.Charging hours: 1.5h
12.Unit Diameter: 40mm
13.Impedance: 32Ω
14.Frequency: 20~20KHz
15.Speaker Sensitivity: 105dB
16.Microphone Sensitivity: -40dB
17.Wire Length: 1.2m
18.Net Weight/PC: 168g
19.Gross Weight/PC: 262g
20.Packing Size/PC: 19*20*7.9cm