Amazon.com: Rotibox Bluetooth Beanie Hat Wireless Headphone 。Stay warm, stylish, and connected with the Rotibox Bluetooth Beanie Hat, a perfect combination of fashion and technology. Made from 100% soft acrylic with a double-knitted design, this cozy and warm beanie provides hands-free music streaming and call functionality without the need for additional headphones. Whether you\'re jogging, skiing, snowboarding, hiking, camping, or just enjoying a winter walk, this Bluetooth beanie ensures you stay entertained and comfortable. Key Features: ✔ Soft & Warm Material: Made from double-layered acrylic, offering maximum warmth and a snug fit. ✔ Bluetooth V5.0 Technology: Quick and stable pairing with smartphones, tablets, and Bluetooth devices, up to 33 feet range. ✔ Built-in HD Stereo Speakers & Microphone: Enjoy crystal-clear sound quality and hands-free calling with one-touch controls. ✔ Easy-to-Use Control Panel: Located on the left earpiece, allowing easy track skipping, volume adjustment, and call handling. ✔ Long Battery Life: Up to 8-10 hours of music/call time, 60 hours standby time, and quick 1-2 hour charging (USB cable included). ✔ Perfect for Outdoor Activities: Ideal for running, skiing, snowboarding, skating, hiking, camping, and more.