Description Features: No matter on the stage, the car, the gym Or being on the street, you can focus on your music 3D acoustic technology appropriate acoustic chamber Scientific ratio, light and solid resin material. Wearing for a long time will not put too much burden on the ear HD9 with professional level of noise performance The correct wear can effectively isolate the outside world as high as 20d B noise Specification: Function: Noise Cancelling, Portable, Voice control Line Length: 1.2m Connecting interface: 3.5mm Impedance: 32Ω Speaker Sensitivity: 120dB Speaker Frequency Response: 20-20000Hz Package Contents: 1 ps of KZ-HD9 earphones 3 pairs of silicone eartips
