Rotibox Bluetooth Beanie Hat, Winter Knit Cap with Wireless Stereo Headphone Headset Earphone Speaker Mic Hands Free for Outdoor Sports Skiing Snowboarding Running Jogging,New Year Style and Tech Combine: 100% Soft Acrylic,double knitted beanie,keep your head warm and allows you to listen to your music without having to wear additional headphones,the bluetooth stereo headset brings you great sound quality,style and comfort,perfect for gym,fitness,workout,exercise,outdoor sports such as running, skiing, skating, hiking, camping, dog walking, holiday travelling and so on The Latest Blutooth V4.1 Technology: Easy and fast to pair with cell phones, tablets and other Bluetooth enabled music devices,wireless range up to 33 feet 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 Long-lasting Enjoyment of Music: Built in rechargeable Li-Ion battery,about 6 hours talking/playing time, 2.5 hours charging time,60 hours standby, so you have less time charging and more time doing.(USB charging cable included) Fully Washable:One size fit most and washable after removing the headphones from the pouches