Fusion of fashion and technology: 100% Super Soft Acrylicdouble knitted beaniekeep your head & ear warm and allows you to listen to your music without having to wear additional headphonesthe wireless bluetooth stereo headphones brings you great sound qualitystyle and comfortperfect for gymfitnessworkoutexerciselifestylesleepphoneoutdoor sports such as running jogging skiing skating hiking camping fishing dog walking holiday travelling and so on.</br>New Blutooth V4.1 Technology: Easy and fast to pair with cell phones tablets laptop and other wireless Bluetooth enabled music deviceswireless range up to 33 feet (10 meters)</br>User-friendly Operating Buttons: The simple design operating buttons built-in stereo speaker and microphone on the left earpieceit is convenient for you to skip back and forth through your playlist answer and hang up calls without having to use your phone</br>Excellent Battery Performance: Built in rechargeable Li-Ion batteryabout 6 hours talking/playing time 2.5 hours charging time60 hours standby so you have less time charging and more time enjoying your music and phone call.(USB charging cable included)</br>Fits Well & Fully Washable: One size fit most and washable after removing the built-in headphones from the inner pouches</br></br>Product Description</br></br>Qshell pays more attention to Innovation and Quality. Any query?? please contact us freely??we will resolve it ASAP. </br> </br><b>Specifications: </b> </br>Bluetooth Version: V4.1+EDR </br>Size: one size fits most </br>Material: 100% super soft Acrylic </br>Frequency: 2.402GHz-2.480Ghz