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.
Set-in Li-ion chargeable battery, charge via USB Cable that it can full of energy.
Built-in Removable headphones which can be pulled out from the hat if you would like to wash the headband!
Great Enjoy you can enjoy music when you are exercising hands freely.
High end fabric that it is very flexible can match most head size.

Technical Details

Product Details

Package Dimensions
Width : 3.7 inch
Height : 1.65 inch
Length : 7.32 inch

Shipping Weight: 0.8 ounce (View shipping rates and policies)

ASIN : B01CFICU2K