Hi-Fi Music and Warmth 2 in 1 Bluetooth Winter Hat: Mens beanie hats adopted premium soft knit keep your head warm and allow you to listen to music without having to wear additional headphones. The control panel built-in stereo speaker and microphone allows you to skip back and forth through your playlist, answer and hang up calls without freezing your hands off, making Bluetooth the perfect winter hat. Advanced Bluetooth 5.0 Wireless Earphones and MIC: Made specifically for hands-free calling andmusical entertainment, Bluetooth hat allows you to answer a call without taking hands out of pocket, providing a comfy, superb listening experience. Compatible with all the devices with Bluetooth,rang up to 65ft. Style and comfort beanie with headphones, perfect for gym,fitness,workout,exercise,outdoor sports such as running, skiing, skating, hiking, camping,walking, travel, etc. Washable and Rechargeable: Bluetooth hat built-in rechargeable Li-ion battery with ONLY 1.5-2 hours charging time, provides up to10-12 hours talk/music time,720 hours stand by time. You can enjoy up to 150 songs on a single charge. Women Mens beanie hats are easily recharged by Micro USB (charging cable included). You can wash the Bluetooth hat, just remove the headphones. Suitable for kids and adults,warm enough for kids, cool winter fashion accessory.