Come and see our amazing products. The sport headband can keep your head warm, allows you to listen to your music without having to wear additional headphones, and protect you from being disturbed by your mess hair and sweat. Music headbands made of Nylon+Cotton and provide a soft and comfortable feeling. Built-in microphone to let you won't miss any callings, it built-in 200mAh high-performance battery, charge via USB cable. Pls confirm with us about the packing info, stock color and exact production time before placing your order