1. Adjust wind noise: Our ear warmer bicycle helmet is designed to shield against wind noise while riding, enhancing your driving experience so you can focus on the journey without distraction from loud noise. 2. Developed for riders: These bicycle earmuffs are specially crafted for cyclists, making them ideal for speed e bikes and electric bikes. The wind earmuffs add an extra layer of safety by keeping your ears warm and minimizing wind noise. 3. for autumn and winter: With our windproof earmuffs, you can brave the elements. They protect your ears from chilly winter winds, ensuring a comfortable and enjoyable ride. 4. Compatible with all helmets: A key advantage of these wind earmuffs is their versatility. They fit all helmet models and can be easily attached to any bicycle helmet.