StillCool Wireless Headset Beanie Hat,Washable Winter Men Women Cap with Wireless Stereo Headphones Mic Hands Free Rechargeable Battery for Outdoor Sports Running Skiing Snowboard Skating Hiking,Best New V4.2+EDR Technology New V4.2 Technology: Easy and fast to pair with cell phones, tablets, laptop and other wireless enabled music devices,wireless range up to 33 feet (10 meters). Perfect for gym,exercise,fitness,outdoor sports such as running, skiing, skating, hiking, working out, dog walking, holiday travelling and so on. Comfortable&Warm100% Soft Acrylic, double elastic knitted hats. Keep your head warm and allows you to listen to your music without having to wear additional headphones. The Wireless Stereo Headphone brings you excellent sound quality. Long Lasting Battery LifeBuilt 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) Universal and WashableUnisex wireless headset beanie, one size fit most. Washable beanie after removing the headphones from the pouches. One-Year Guarantee12 MONTHS from the date of purchase, we support return and refund. Any questions about the product, please feel free to contact us. We will offer you satisfactory solution.