" 50: Doudou wireless bluetooth adopts advanced bluetooth 50 technology, which is better than bluetooth 42 type, offers 10 to 12 hours of playing time, and the wireless range is 33 feet to 65 feet The headphone cap Bluetooth is compatible front / rear and can be easily connected to all bluetooth enabled media playback devices The unique design makes the Bluetooth hat an ideal gift for both men and women A stylish unisex gift: The bluetooth beanie is made of 100% soft wool to keep your head warm, allowing you to listen to music without wearing extra headphones The stylishly designed bluetooth headset cap it is the choice of most people, as a unique gift for men, women, boys, girls, as birthday gifts, Christmas gifts, Thanksgiving gifts and other occasions AMAZING MUSIC EXPERIENCE: Using a wireless bluetooth balaclava, you can answer calls without taking your phone out of your pocket when running, skiing, skating and hiking in cold weather Integrated microphone announcement The high definition with bluetooth hood has echo and noise reduction functions to ensure clear sound quality The bluetooth sock hood allows you to chat and listen to music with excellent sound quality via Bluetooth streaming Download only 15 Comfortable and Washable Material: The cap is made of stretch fleece, ultra soft and breathable, suitable for different sizes and shapes, no pressure on the head and heat from the head to the heart Meticulous design allows for easy cleaning the Bluetooth wireless headset Remember to take the Bluetooth headset out of the music headset pocket before cleaning it Gifts for men and gifts for women "