This is a brand new, unopened item. Product Name: KZ ZS10 PRO X High-Quality Wired Earphones Category: Earphones Color: Black Condition: New High-quality sound is achieved with a hybrid driver configuration of 1DD + 4BA, totaling 5 drivers. The black color model comes with a microphone, allowing for clear calls. It is re-cableable, allowing you to enjoy changes in sound quality according to your preferences. [Model Number]: ZS10 PRO X [Built-in Drivers]: 1DD 4BA [Connection Method]: Wired, with remote microphone, 3.5mm plug