The COWIN E7 Active Noise Cancelling Headphones have powerful Active Noise Cancelling Function. Significant noise reduction for travel, work and anywhere in between. Advanced active noise reduction technology quells airplane cabin noise, city traffic or a busy office, makes you focus on what you want to hear,enjoy your music, movies and videos.
This headphone is the very good compare to price. It has bluetooth and noise cancelling technology.
Sound quality is not the best, but still very good compare to price. If you are looking for not expensive headphone, it’s your best choice.
It play for 30 hours / charge. It takes 4 hours to charge fully.