Description: This Bluetooth Smart Neck Warmer Scarf is a perfect choice to keep your neck warm at fashionably. You will look great and keep warm while listening to your favorite songs without the fuss of long wires. Main Features: Built-in high performance rechargeable Lithium-poly 180 mAh battery, enjoy about 5-6 hours of premium quality talk/play time (full charge in around 2 hours), up to 30 hours standby time. Invert the scarf to find the headphone ear pieces. Easy to use control panel: 3 buttons for controlling--Making / Answering Call, Adjust Volume, Pre / Next Song; works with any Bluetooth enabled device. Washable: The audio system is fully removable, so you can wash the knitted scarf. After removing the electronics, it should be hand washed in cold water and laid flat to dry