Hands-free Bluetooth-compatible hat for outdoor activities like dog walking, running, camping, and more. Unisex glow hat with hands-free, making it a perfect and useful gift for both men and women. Upgraded Bluetooth-compatible 5.0 wireless technology for stable connection, music, and calls, with up to 4-5 hours of continuous working time. Stylish and practical design with an elastic winter knitted cuffed hat that provides extra warmth in cold weather while keeping you looking stylish. Comfortable to wear, made of soft and warm acrylic blend, breathable, and durable, providing lasting warmth during outdoor activities in the cold winter. Item Name: Music Knitting Hat Material: Acrylic Fiber Transmission Range: 10 Meters Bluetooth-compatible Version: 5.0 Whether Single And Binaural: Bilateral Stereo Power Supply: Charging Switch Type: Push Battery Capacity: 250 mAh Charging Time: 1.5H Scope of Application: Outdoor or Indoor Gender: Unisex Features: Twist Texture, Solid Color, Plush Ball Size Details: L: 30cm/11.81", W: 21cm/8.27" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Music Knitting Hat