QKZ AK6 3.5mm In-Ear Wired Subwoofer Sports Earphone, Cable Length: About 1.2m(Red) Filter-Cable Physical Environment Operate Temperature -20

Physical Environment Operate Temperature -20 to 50 Degree Celsius

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The image quality of a 4K @ 30Hz monitor or TV with UHD resolution

One Package Size 15cm * 15cm * 0

QKZ AK6 3.5mm In-Ear Wired Subwoofer Sports Earphone, Cable Length: About 1.2m(Red) Filter-Cable Physical Environment Operate Temperature -20Features: 1. Up to 40KHz Hi Res high resolution audio standard, restore live level sound, and bring you an immersive sound experience 2. High and low frequency graphene diaphragm moving coil, bringing strong high and low frequency ductility and natural tone reproduction 3. Ergonomics customized cavity, comfortable and stable to wear without burden 4. TPE spiral high purity oxygen free copper wire, highly restored and lossless sound quality 5. 3. 5mm