KZ Original D-Fi Earphones HIFI Bass Earbuds Monitor 4-Level Tuning Switch Headphone Sport Stereo Sound Noise Reduction Headset

VAORLO. Model: KZ D-Fi. Brand: KZ. Specification: without mic or with mic optional). Properties: Standard version, Tuning version optional). Color: Black. Sound production principle: dynamic. Wearing method: In ear type. Material: Metal. Frequency response range: 7-45000Hz. Impedance: Standard version No Switches 23. Tuned version With Switches 29-48. Sensitivity: 110dB. Plug type: 3.5mm. Line length: 120cm ± 3cm. Type: Wired. Weight: 73g. Package size: about 10272 32mm/4.01 2.83 1.25 inch. KZ D-Fi Earphones Feature: 1. Dual Magnetic Circuit Dual Cavity Dynamic Unit: The D-Fi is equipped with a customized dual magnetic circuit dual cavity dynamic coil unit, which has better energy efficiency and stronger transient performance compared to ordinary magnetic circuits. It also features low impedance and high sensitivity, making it easier to drive. 2. Standard/Tuning Version Optional: D-Fi has designed a standard version and tuning version, and the standard version adopts standard tuning, w