OOTDTYFeaturesbrand new and of high qualityBuiltin electronic headphones, convenient for enjoying music in cold weather anytime and anywhere you want. Can adjust the volume.The main function is that the earmuff can be connected to your smartphone via Bluetooth, listening to music in cold outdoor weather.Charging method USB charging, very convenient. Charging for about 23 hours provides more than 46 hours of playing time.Covers your ears completely when you go on winter adventures like snowboarding, skiing, skating, camping, hiking and more.It can be folded into a compact shape for easy storage and portability. Comfortably covers your ears and stays securely in place.Keeps the wind and cold out and your ears warm. Stylish solid color design, perfect winter gift for yourself, your friends and your family1 earmuff only, other accessories demo in the picture is not included.User manual1. There are three buttons on the side of the earmuffs. The middle pause button is the on and off button, press and hold the button, turn on or off.2. Short press the middle button for functions such as playing music, pausing music, answering calls, hanging up calls, etc.3. The two buttons next to it are used to increase and decrease the volume and switch songs. Short press two buttons to increase and decrease the volume, press and hold to switch songs.4. Start, use the phone to search for Bluetooth.5. The phone can display the power of the earbuds.6. Please note earmuffs are not washable.SpecificationMaterial PlushPlug type WirelessWireless type BluetoothUsage time 46 hoursCharging time 23 hoursCompatibility Bluetoothenabled devicesHead circumference 5658 cm 22.0522.83 inchesOptional color Beige, Black, Camel, Gray, Nude pink, PinkQuantity 1 setWarm invitation1. Asian peoples size is 1 or 2 sizes smaller than European and American.2. Please note that wash at low temperature, do not bleach and do not place under the strong sun for a long time.3. Due to different measurement methods, there will be 13cm deviation about the items, please make sure it is okay for you before ordering.4. Due to different monitors and lamplight, the picture may not reflect the actual color of the item, thank you very much for your kind understandingThe package contains1Earmuffs1Charging cable1User manual without retail package