- 1.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.
- 2.Knitted material, fashion and keep warm with answer the phone in winter.
- 3.Set-in Li-ion chargeable battery, charge via usb Cable, long stand-by time.
- 4.Speakers can be taken off so that you can wash the hat.
- 5.100% brand new and high quality!
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