About this item 1.Active Noise Cancelling Technology: Zihnic wireless headphones can effectively reduces the ambient noise in low and mid-range frequency, such as city traffic, airplane cabin. You can enjoy the immersive music experience in a quiet and peaceful environment for on the subway, the bus, or the plane. 2.Immersive Sound & Deep Bass: equipped with 40mm large-aperture drivers, the ANC headphones can deliver Hi-Res audio sound and cultivating deep bass for you. More subtle detail of sounds would be noticed, the wireless headsets try to bring out the best sound performance. 3.Superior Built-in Microphone with Bluetooth 5.0 : Zihnic headphone comes with a built-in microphone, which ensures better sound quality for hands-free calls. It has wider Bluetooth compatibility, most of Bluetooth devices could be connected fast, and it offers stable connection within 33 feets(10m) distance. All these help you get rid of wire hassle while listening music or calling. 4.Memory Foam Earpads & Adjustable Design: The earcups are made from durable and skin-friendly protein leather and memory foam cushions. It wraps tenderly and firmly over your ear which makes you feel no pressure. The headphone is lightweight, adjustable, and the earcups can be swiveled 90° so as to find the best angle. 5.40 Hours Playtime with Quick Charging: The ANC headphone supports you to enjoy music for all day long with 700mAh large battery capacity. Don’t need to worry the power running out problem, it is absolutely the best partner for your long travel. The charging is pretty fast, the headphone gets fully charged with only 1.5 hours. Tips: 12-month warranty, 24 hours after-sale customer services and quick response. Don’t hesitate to contact us.