One of the most comfortable ways you'll find to listen to music, podcasts or audio books. This Bluetooth headphone beanie is great to use on the plane, especially when trying to fall asleep listening to some calming music or a cosy mystery novel on your device. acrylic rib knit built-in ABS Bluetooth headphones plays music for up to 5 hours can be recharged from any USB port or mains adapter headphones are easily removable from the beanie for charging and to enable the beanie to be washed. supplied with a Micro USB cable for charging supports playback from smartphones, tablets, or most other Bluetooth-compatible audio devices includes printed gift box Acrylic: This easy-care, water-repellent fabric is lightweight, insulating, and incredibly warm