Bluetooth Music Winter Hat for Indoors Outdoors Beanie Striped Black Unisex

Soft double-knit beanie is thick enough to keep your head warm & comfortable so you don't have to take off your hat when you're on the phone. Use the latest new technology Bluetooth 5.0 chip to provide a faster and more stable connection than V4.2. Easy and fast pairing with all Bluetooth devices. Built-in new upgraded rechargeable lithium battery, reduced power loss, charging time 1.5~2 hours, continuous work about 10~12 hours hands-free calls and music entertainment, can standby for 60 hours.