~-Use cotton and acrylic material, More flexible and good looking

-Support Hi-Fi signal transmission, CSR chip, well performance

-The thinnest Bluetooth Beanie  in the world, very convenient to be wear

-Available for all languages to be set into the device with sound remind function, easy to be used.

-Easy to take the electronic parts out of the hat while the hat is dirty.

-Just press the mid button to pick up the phone while somebody calling, press it again to hang it up.

-Set into rechargeable Li-ion battery, easy to be charged via micro 5pin USB cable.