Mixcder E7 Active Noise Cancelling Headphones Bluetooth 5.0 Wireless Over Ear Headset with Hi-Fi Deep Bass, 30 Hours Playtime, Quick Charge, CVC8.0 Mic for PC/Cell Phones/TV - Black

Professional ANC Technology: it's a combination of feed-forward and a feed-back ANC system. Active Noise Cancellation uses noise-canceling microphones and speakers to reduce unwanted background and surrounding white noises, which suits our commute and enhances our quiet relaxation time Upgrade Bluetooth 5.0 Headphones: they are extremely easy to connect to our phones, we can also listen to music via the long 3.5 mm auxiliary cord if they run out of power. Built-in omnidirectional CVC8.0 noise reduction microphone is good enough for our business calls, the voice quality is great and relatively well balanced 50 Hours Battery Life: The Rechargeable battery provides up to 50-hour playtime in cordless mode when it's fully charged with included USB C charging cable. We can use these headphones for 7 working days, approx 7 hours a day to cancel unnecessary noise in the workspace, the whistle of cars and the mechanical sound of the subway running during our commute Comfortable Over the Ear Des