product description:
Specifications:
Driver diameter: 40mm
Impedanceº320hm
Sensitivity:108dB +/- 3dB
Frequency rangeº20-20000HZ
Cable length:1.5M
Microphoneºyes
Charging port:5 Pin micro usb
Bluetooth protocol standards:4.0
Receiver frequency:10m
Battery:300MAH
Standby time:300hours)
Successive working time:6(hours)
Packing list:
1 pcs Headphone
1 pcs User Manual
1 pcs 3.5mm audio cable
2 pcs USB line
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