The QKZ AK6 sports in-ear headphones are wired headphones focusing on high sound quality and sports adaptability, with core advantages concentrated in three dimensions: Sound Quality Performance, Wearing Experience, and Durability. The detailed product introduction is as follows: 1. Sound Quality Performance • Hi-Res Audio Certification (Golden Logo) : Meets the Hi-Res high-resolution audio standard of up to 40kHz, which can restore the subtle timbre of musical instruments and the delicate human voice of songs, presenting a live-level original sound texture; • High-quality Cable Support : Adopts TPE spiral 4N high-purity oxygen-free copper cable, with imported TPE material for the outer skin, which is highly elastic and tensile-resistant. The internal 99.99% multi-core braided high-purity copper cable can create mellow low frequencies and distinct mid-high frequencies, building a sense of in-depth spatial dimension. 2. Wearing Experience • Ergonomic Design : Integrates ear mold big data, combining in-ear and over-ear designs to create a custom-grade cavity. Even when worn during intense sports, it can remain stable and burden-free, enabling all-day comfortable wearing. 3. Durability • Gold-plated Plug Craftsmanship : Equipped with a 3.5mm gold-plated plug, which has passed more than 5000 plugging and unplugging tests and is made with original craftsmanship. It greatly improves the wear resistance and oxidation resistance of the plug, ensuring the service life of the product.