Specifications:

*  Active noise cancelling technology to enhance the power of noise filtering.
*  Block the external noise to offer a superb listening experience,cuts ninety percent of low frequence noise indoors or outdoors.
* Headphone foldable and cable detachable design, convenient for traveling users especially for users in noisy environment like subway, airline, highway, etc.
* Noise cancelling and common wired headphone available
* Driver unit: *0mm dynamic speakers                                                                                                                                 * Impedance : *2Ω±*0%
* Frequency response : *0Hz - *0KHz
* Reduction level: >*6dB at **0Hz
* Sensitivity: **2 dBμv at **0Hz
* Cord length: 1. 5m
*  Plug: 3. 5mm stereo plug
*  Power requirement: 1 × AAA batteries