V3.0+EDR Bluetooth version, available for most of devices with Bluetooth function
Protects you from cold winter and will also allow you to listen to music and hands free answering your phone while doing variety of other activities
The headphones built-in the hat are removeable , convenient for beanie washing
Perfect for traveling, waiting for the bus, jogging in the cold or just rocking out in your bedroom
Knitted material ,fashion ,good for Christmas Gifts