Reduce Most Ambient NoiseThe active noise canceling headphones use the latest noise reduction technology, combining active noise reduction and passive noise reduction, which can detect and eliminate a wider range of low-frequency and mid-frequency noise, allowing you to enjoy truly pure music and focus on your business whether you are in a noisy street or a coffee shop.Ultra-Comfortable and Lightweight 90 Rotating EarmuffsThe enlarged and breathable advanced protein ear pads gently surround the entire ear, making you feel extremely comfortable, and the 90 rotating ergonomically designed and lighter over-ear headphones provide an all-day comfortable experience.30 Hours Playtime & Audio CableLow-power technology allows our Bluetooth ANC headphones to play continuously for up to 30 hours in standard music mode and up to 12 hours in ANC mode. With the included 3.5mm audio cable, you can also change it to wired mode when it is turned off, no more power outage problems on long trips.Hi-Fi Audio & HD MicrophoneThe Deep Bass Wireless Headphones use a custom 40mm driver, with shocking bass and clear treble, and every beat reflects its essence. Built-in HD microphone can clearly capture your real voice when using voice assistants, video conferencing or online classes.Bluetooth 5.3 ConnectionBluetooth 5.3 wireless connection technology enables ultra-fast and stable connection within a range of 33 feet (10 meters). Compatible with all Bluetooth-enabled or 3.5mm audio jack devices, it can make stable and clear hands-free calls, which is convenient for home office/study.