Item Name: Hat With Bluetooth Hat With Music Hat Music Bluetooth Hat Warm Hat Knitted Hat. Material: artificial woolColour: BlackBluetooth: V5.0Weight: 120gSize: 22inch-24.5inchPackage Include:1pc Music Bluetooth Hat,1pc Charging CableFeature:1.Made of acrylic fiber fabric which is better than wool, along with 26 process technologies, this knitted casual style cap feels soft and comfortable without fading out or pilling2.This casual cap can wrap your hair and place over it and decorate your head when you don't feel like doing anything with your hair3.The thread and the needle come across to create various delicate lines on the surface of the beanie, bringing the sense of beauty and matching most of your casual style apparel4.The beanie for Bluetooth V5.0 brings stereo music and communication, and it has a far effective range5.By pressing the button on the beanie cap, you can easily control the volume and switch the songs according to your need6.The built-in high capacity polymer lithium battery and USB rechargeable design bring a long battery life7.The module for Bluetooth can be detached individually, which makes it simple and convenient to clean the cap8.The cuffed beanie cap adds comfort and style to any outfit *Please make