100% Acrylic material, kintted beanie, fashion and keep warm with answering the phone in winter
V5.0+EDR Bluetooth version, available for most bluetooth device
Bulit-in Mic and stereo speaker, available for cell phone to transmit the speaking phone to your audio devices directly so that the user can answering phone
Bulit-in Li-ion chargeable battery, charge via USB cable, long stand-by time
The magic Bluetooth hat is your best choice when doing outdoor sports like walking, jogging, cycling, touring, fishing, etc