Knitted material, fashion and keep warm with answer the phone in winter
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
Set-in Li-ion chargeable battery, charge via USB Cable, long stand-by time.
V3.0+EDR Bluetooth version,available for most of devices with bluetooth function.
Speakers can be taken off so that you can wash the hat
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
Set-in Li-ion chargeable battery, charge via USB Cable, long stand-by time.
V3.0+EDR Bluetooth version,available for most of devices with bluetooth function.
Speakers can be taken off so that you can wash the hat
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