【Active Noise Cancelling Up to 18-22dB】 This ANC headphone can actively detect the environmental noises via the active noise cancelling system built inside the headphone. It is designed with the Feed Forward ANC technology. The noise reduction level is from 18 dB to 22 dB. So, when we are in a flight, train, metro, or walking on the public street or mall, this ANC headphone can well cancel the noises and create a quite world for you;

【40mm Neodymium Powerful Bass Drivers】 The speakers for this headphone is customized based on the ANC supported acoustic housing structure. It reproduce super powerful bass with crystal clear sound. If we switch on the ANC function, the listening or communication experience will be amazing;

【Adjustable Collapsible & Light Weight Design】 This noise reduction headphone is extensible for fitting the head sizes of different users . And, the earpieces can be folded inside,this collapsible structure engineering design make this wireless headphone can be folded into a very small sizes. The headphone is make of light weight quality plastic materials and super soft leather materials. By doing so, this cordless headphone is lightweight;

【Keep Working 27 Hours Without Stop】There is a 400mAh rechargeable lithium battery inside the headphone. Normally, it can works 27 hours without stop. If switch on the ANC function, it can works 21 hours without stop.

【Designed a 3.5mm Aux In Socket】this wireless headphone can be used as a wired headphone. It is designed with a standard universal 3.5mm audio socket. And, there is a extra 3.5mm to 3.5mm audio cable as its accessories. So, this wireless bluetooth headphone can works as a normal universal wired over head music headphone.

【Customized Accessories & Extra Options】For this anc headset, the standard accessories will be quick guide, power charging cable, audio cable,and the optional accessories will be portable pouch and potable EVA case. Since this wireless headphone is collapsible, if comes with a customized pouch or customized eva case, it will be quite convenient for us to take it anywhere we go.