Product Name: Zihnic PN9 ANC Wireless Headphones OVERVIEW: Active Noise Cancelling Technology: Zihnic wireless headphones can effectively reduces the ambient noise in low and mid-range frequency, such as city traffic, airplane cabin. You can enjoy the immersive music experience in a quiet and peaceful environment for on the subway, the bus, or the plane. Immersive Sound & Deep Bass: equipped with 40mm large-aperture drivers, the ANC headphones can deliver Hi-Res audio sound and cultivating deep...