Features: 1. Flashlight Headlamp Cap, Bluetooth Built-in Stereo Speakers and Microphone. Super soft Acrylic material knit beanie meet your multi needs at one time and easily washable. 2. USB rechargeable battery, long battery life. 3. The wireless hat is equipped with LED light, perfect for night activities. 4. This bluetooth headphone beanie allows you enjoying music while protecting from cold. Built-in microphone, picking up calls directly and hands free talking. Perfect for walking, running, skiing, hiking etc. 5. Great Gift: Soft stretchable material, one size beanie fit most heads, perfect for both men and women. The Bluetooth device and lamp are removable, convenient for beanie washing. Great christmas gift or birthday present for family and friends Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Specification: Material: Acrylic Hat brim: no brim Cap circumference: for adult flexible How to use: Turn on the Bluetooth of the mobile phone, press and hold the Bluetooth power button on the hat to turn on, and find the BT-01 connection in the Bluetooth of the mobile phone. Package List: 1 x Bluetooth Beanie 1 x USB cable