Versatile: M Jiuyunmu Wireless Ski Helmet Speakers adopts the latest Bluetooth 5.3 technology, which can maintain stable connection and faster transmission speed within a range of ten meters. Therefore,motorcycle during mountain biking, hiking, skiing, and snowboarding, you can enjoy conversations and music to the fullest without experiencing audio loss or interruption Comfort:Ski Helmet Bluetooth Headset:It Tpye-C conventional charging is more stable and robust. There's a big function button on the right headset that can be easily operated even when wearing gloves. A simple button combination allows you to control each function without removing the device from the helmet. With the buttons, you can easily change, play, or pause music, or answer calls Sound Quality: The volume of headphones for helmet is surprisingly high,40mm helmet speakersIt can be used for Bluetooth headsets inside motorcycle helmets,which can help you reduce wind noise. In addition, it can play for