Introducing the E7 Wireless Headphones. Active noise cancellation effectively reduces noise from airplanes, traffic, and the environment. 45mm large drivers deliver balanced and clear sound. 30 hours of battery life and lightweight, comfortable fit. Physical buttons on the headphones allow you to answer business calls, adjust volume, turn active noise cancellation on/off, and fine-tune the sound. The package includes an cable, a quick start guide, an 18-month warranty, and professional customer service. | Primeplus | | E7 Active Noise Cancelling Headphones, Wireless Bluetooth Headphone with Microphone, 30 Hours Playtime for Travel/Work | White | Best Buy