Size:Fits for head circumference 56-62cm
<br />Speakers can  be taken off so that you can wash the hat
<br />Quantity:1pc
<br />Knitted material, fashion and keep warm with answer the phone in winter.
<br />Set-in MIC, available for cell phone to transmit the speaking phone to your audio devices directly so that the user can hand free answering phone up via the device.
<br />Set-in Li-ion chargeable battery, charge via USB Cable, long stand-by time.
<br />Speakers can be taken off so that you can wash the hat.
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