High-purity, oxygen-free copper flat upgrade cable – Restore live sound, bringing immersive and shocking sound effects. To the original intention with ingenuity – Carefully select materials and make with craft. High purity oxygen-free copper – The high frequency ductility, the sound is more straightforward and transparent, the high frequency is brighter, the low frequency texture is stronger, and the voice is rich in details. The listening experience is smoother, and the sound purity and fidelity are more guaranteed.PVC transparent material – Reduce earphones cable entanglement.3.5mm plug – Easy to plug in and unplug, yet durable enough to withstand breakage.TPE transparent skin – High-strength rebound to reduce entanglement.Specification: Product name: KZ original wire Manufacturer: Shenzhen Yuanze electronics Length: 1.2 m + 3 cm