2pin 5N single crystal copper cable earphone upgrade cable Earphone replacement cable Improved sound quality Compatible with KZ earphones [KBEAR ST19]

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. [5N High Purity Single Crystal Copper] The ST19 cable uses 5N single crystal copper with a purity of over 99.999% sourced from Taiwan, which boasts excellent crystal structure and conductivity. Each wire strand comes standard with a 42-core independent oxygen-free copper shielding layer to isolate external electromagnetic interference, resulting in purer sound and jet-black background performance. " [More Comfortable Wearing] The weight of the 23AWG wire diameter requires higher requirements for wearing, but ST19 adopts the common around-ear design in the HiFi field and aviation aluminum alloy oxidized connectors, which effectively ensures the wearing comfort while improving texture and reducing weight. " [Focus on quality and appearance] ST19 high quality recable uses a more stable copper plated plug, the plating is highly wear resistant, and provides two mainstream specifications of 3.5MM stereo output and 4.4MM balanced output, making it compatible with mainstream equipment on the market. We use high-quality parts, and with an emphasis on quality, we have also considered the exterior color scheme, giving it a luxurious look. [Feel the improvement in sound quality] Regarding the sound of the ST19 earphone replacement cable, it has excellent resolution and localization, and the sound has a particularly good sharpness, giving you a realistic feeling that you are singing right in front of you while listening to music. It has excellent spatial expression and creates a sound field with a sense of openness. The cable is extremely easy to handle and is easy to use on a daily basis. [12 Month Product Warranty] If you purchase from our store, there is a 12 month product warranty (repair support). If a problem occurs within 12 months from the date of purchase, we will repair it free of charge. If you have any questions or requests regarding the product, please feel free to contact our customer support. We guarantee prompt response by our Japanese staff. Connector male/female ‎Female-male Compatible models ‎Headphone color ‎Purple Battery used ‎No Brand name ‎H HIFIHEAR manufacturer ‎H HIFIHEAR product model number KBEAR ST19 accessories ‎Cables and others Features ‎Light weight ‎45 grams