feature:100% brand new and high qualityBuilt-in electronic earphones, convenient to enjoy music anytime and anywhere in cold weather. You can adjust the volume.The main function of the earmuffs is to connect with your smartphone via Bluetooth and listen to music in cold weather outdoors.Charging method: USB charging, very convenient. Charging for about 2-3 hours can provide more than 4-6 hours of playing time.When you are engaged in winter adventure activities such as snowboarding, skiing, skating, camping, hiking, etc., completely cover your ears.It can be folded into a compact form for easy storage and carrying. Cover your ears comfortably and keep them in place comfortably.Protect your ears from wind and cold. The stylish solid color design is the perfect winter gift for yourself, friends and family!Only 1 earmuff, excluding other accessory demonstrations in the picture!Instructions for use:1. There are three buttons on the side of the earmuffs. The pause button in the middle is the power on and off button, long press to power on and off.2. Short press the middle button to realize the functions of playing music, pausing music, answering calls, and hanging up calls.3. The two buttons next to it are used for volume addition and subtraction and song switching. Short press the two buttons to increase or decrease the volume, long press to switch songs.4. Turn on the phone and search for Bluetooth with your mobile phone.5. The phone can display the power of the earmuffs.6. Note: The earmuffs are not washable.Specification:material: plushPlug type: wirelessWireless type: BluetoothUse time: 4-6 hoursCharging time: 2-3 hoursCompatibility: Bluetooth support equipmentHead circumference: 56-58cm (22.05-22.83in)Available colors: beige, black, camel, gray, flesh pink, pinkQuantity: 1 setTips:1. Asians are 1 or 2 size smaller than Europeans and Americans.2. Please pay attention to washing at low temperature, do not bleach, and put it in the hot sun for a long time.3. Due to different measurement methods, the product will have a deviation of 1-3 cm, please confirm that there is no problem before placing the order.4. Due to different displays and lights, the picture may not match the actual color. Thank you very much for your understanding!Package Included:1 x earmuffs1 x charging cable1 x User Manual (not including retail packaging)