Reduce Ambient Noises By Up to 90%：Mpow H19 IPO noise-cancelling headphones is built in digital active noise cancellation algorithm. As a result, the active noise cancellation can detect and cancel out a wider range of low and mid-frequency noises such as cars and airplane engines. Bluetooth5.0 & CVC8.0 Noise-reducing Mic for Online Class/Home Office: Built-in advanced QCC3003 Bluetooth Chip and CVC 8.0 Noise-reducing microphone ensure crisp clear calls Compatible with Android/iOS smartphones and tablets MP3 MP4 iPod PC TV and other Bluetooth enabled devices. Hi-Fi Audio Sound & Strong Bass: Proprietary 40mm Large-aperture Drivers. Deep, accurate bass response. Mpow active noise cancelling over ear headphones give you a wonderful experience of crisp, powerful sound that helps you enjoy your music better. All Day listening and Quick Charging Technology: Advanced quick charging technology streams music for up to 2hrs after 10min quick charge, the built-in rechargeable battery can provide up to 35hrs of non-stop playtime in wireless mode with ANC off or unlimited playtime in wired mode Universal Comfort: Mpow headphones weigh only 240g (8.47oz). Memory foam earcups gently mold around your ears, while the headband's rotating joints automatically adjust the angle of the earcups to fit the shape of your head- offering maximum comfort and a secure seal. Included components: 1 x H19 IPO Bluetooth headphones, 1 x carrying pouch, 1 x user manual, 1 x 3.5mm Audio cable, 1 x charging cable (87)