product description:
This product ship from USA.
Driver diameter: 40mm
Impedance£º32ohm
Sensitivity:108dB +/- 3dB
Frequency range£º20-20000HZ
Cable length:1.5M
Microphone£ºyes
Charging port:5 Pin micro usb
Bluetooth protocol standards:4.0
Receiver frequency:10m
Battery:300MAH
Standby time:30£¨hours)
Successive working time:6(hours)
Packing list:
1 pcs Headphone
Manual warranty card
1 pcs 3.5mm audio cable
1 pcs MICRO USB charging cable
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