JBL Tune 770NC Over-Ear Noise Cancelling Bluetooth Stereo Wireless Headphone features pure bass sound, 30 hours of battery life and a comfortable, snug-fitting design. It has a closed-back design that blocks out ambient noise. They also have active noise cancellation, which uses microphones to detect and cancel out unwanted noise. This makes them ideal for use in noisy environments, such as on airplanes or in crowded places. The headphones are equipped with 40 mm drivers that deliver pure bass sound and has a built-in microphone for making calls or using voice assistants. It is comfortable to wear for long periods of time. Comes in white color.