Knit Winter Beanie w/ Built-in Removable Bluetooth Stereo Headphone & Microphone for Hands Free for Men/Women (Black) Style and Tech Combine: This bluetooth Speaker (its speaker more than headphone) beanie brings you great stereo sound quality,style comfort in cold and wind days User-friendly Control Panel: The control panel built-in stereo speaker and microphone on the left earpiece allows you to skip back and forth through your playlist, answer and hang up calls without having to use your phone Washable Knitted material: Built-in Removable bluetooth headphone,convenient for washing the hat Avoid the annoying tanggled headphone wires when doing outdoor Skiing/Skating/Jogging/Walking/Fitness sports activities and keep your head and ears warm A wonderful gift in cold days for your families and friends,it will suits for most adults and teenages