Cowin E7 MDpro wireless headphones deliver a premium listening experience with Active Noise Canceling to block external noise to preserve clarity,range and emotion. Reduced noise, better sound. Hear every word, note, and tune with incredible clarity. Whether you are taking a long-haul flight or commuting to work, the Anc function can cancel out a wide range of low and mid frequency noises such as the aviation environment and car engines, so you can focus on what you want to hear.The 45mm drivers reproduce a full range of frequencies. The Bluetooth headphones will give you a deep, powerful, and immersive sound at any volume, make your overall listening experience just that much better. It provide you with huge 30-hour battery life.Up to 30 hours of battery life on a single charge keeps you listening for longer.