???? ?Digital Active Noise Cancelling Technology(ANC)?Professional advanced noise cancellation silences up to 85% of machine noise. Cancels noise from aircraft, subways, cars and crowds,so you can focus on what are you doing. (Kindly Note:it’s NOT 100% noise cancelllation,Human talking CAN NOT be elimated and ANC is less effective in quiet environments).ANC Works well both wired and wireless ???? ?Provides High-Res Audio in Silence?Features a dual 40 mm HD high-resolution audio driver, along with 360° omnidirectional noise-cancelling ANC technology, a high-response diaphragm, lightweight voice coil. Delivers peerless sound with no interruptions.Sometimes quality just needs to be heard.Find the rhythm of your soul ???? ?Endless Music Enjoyment?A built-in 360mAh battery won't allow your headphones power off, you can enjoy your world without noise for 16 hours' long time with a single charge.or plug in 3.5mm stereo audio cable to prolong using time when battery is low. ???? ?Unique Foldable Lightweight & Ergonomic Design?The professional-grade protein ear-pads and 115° swiveling ear-cups with superb LIGHTWEIGHT only 0.4 lb for maximum comfort, even during long periods of use. Folds away compactly for easy storage when travelling. Ergomonic headsets' structure and multi-level adjustable headband to get the best suitable size for you. ???? ?Ultimate Fit Comfort?Exclusive Designs of Air Pressure Balance.To reduce sound wave pressure of active noise reduction,to feel much more comfortable to wear than all other brands.