Come and see our amazing products. Winter Bluetooth beanie hats are made of 100% Super Soft Acrylic, with a double knitted beanie cap, which keeps users'head, ears warm, allows men/women to listen to music without having to wear additional headphones. Bluetooth hat not only gives users(men/women) an attractive, stylish look but also bring men/women superior sound quality when listening to music or having a call. Winter Bluetooth Beanie hat using universal Bluetooth 5.0 technology with forwarding/backward compatibility to connect to all other Bluetooth beanie headphones hat enabled media player devices. 33-65 feet wireless range. Great gift for men/women are built-in rechargeable Li-Ion battery, about 10-12 hours talking/playing time, 1.5 - 2 hours charging time, 100 hours standby. Pls confirm further with us if any query about packing info, inventory status and time schedule.