【Brand New & Unopened】cvj freedom Hybrid Earphones - 4BA+1DD Supports Flexible Sound Tuning Thank you for viewing. This is a brand new, unopened CVJ Freedom hybrid earphone (Green). 【Product Features】 * Flexible sound adjustment with 4 tuning modes: CVJ's unique electronic frequency division technology allows you to switch between 4 different unit configurations with a single electronic switch. Enjoy optimal sound tailored to various music genres with just one pair of earphones. * 1DD 1BA * 1DD 2BA * 1DD 3BA * 1DD 4BA * Powerful sound configuration of 1DD + 4BA per side: The professional configuration promises excellent sound quality. The saturated dynamic driver and balanced armature realize texture and a vast sound field that far exceeds expectations. * Deep bass with newly developed nano-phase ceramic diaphragm: Newly adopted nano-phase ceramic with a colorful diaphragm. Significantly improves the depth and dynamism of low frequencies, clearly reproducing the nuances of various instruments such as drums, guitars, bass, and piano. * Immersive high frequencies with custom BA units: High-frequency balanced armature customized for Freedom is placed at the tip of the aluminum alloy sound nozzle. Reduces transmission loss and achieves immersive high frequencies that reach the eardrum directly. Provides a listening experience as if you were there. * Beautiful design of metal and transparent resin: The transparent and sparkling resin shell and the contours skillfully drawn by the refraction of shadows combine high resolution and a sense of luxury. The beautiful green color exudes the charm of a deep forest. * Main Specifications * Plug Type: 3.5mm * Pin Type: 2Pin 0.75 S * Cable Length: 1.25m * Impedance: 22Ω * Sensitivity: 116±3dB * Frequency Response: 20-20000Hz If you have any questions, please feel free to comment.