The speaker inside this NIA Bluetooth X2 Black Headphone is designed to minimize sound trouble and amplify sound output. It provides an immersive sound quality with its excellent frequency. The given headphone has voice prompt and multi-point connection and hence, it is widely demanded in the market. Apart from this, it is compatible with all of the android phones. We provide this NIA bluetooth X 2 Black headphone in different specifications as per the clients requirements.