REVOLUTIONARY 10MM DYNAMIC DRIVER IEM   The 7Hz Salnotes Zero is a revolutionary earphone to be fitted with a 10mm dynamic driver with metal composite diaphragm, utilizing pioneering technology exclusively developed by 7Hz. The metallic composite diaphragm used in this product is made of high quality materials, making it easier to resonate or vibrate along with sound waves. It was constructed with ease of use in mind as each part has been designed with precision accuracy so that they will not hinder audio transmission. _ DETACHABLE HIGH PURITY OFC CABLE The earphones include a detachable cable with gold plated 0.78mm 2Pin connectors. The cable is made of 4 core high purity Oxygen Free Copper in parallel structure while each core is made of 19*0.08 wires+250D to maximally avoid signal loss and ensure a high fidelity transmission . _ N52 MAGNET, FINE TUNING The fine tuning technique and using of a dynamic driver ensures accurate and efficient transmission of audio signals. You can enjoy a smooth and accurate sounds without any distortion. _ Specification: Driver: 10mm Dynamic Driver Impedance: >32ohm Sound Pressure Level 108dB/V@1kHz THD: Frequency Response: 10-20000Hz Pin Type: 0.78m 2 Pin Wired Connectivity: 3.5mm Microphone: No