Features: Intelligent Noise Reduction: Even when you are in a noisy environment, this headset allows you to talk clearly as if you were communicating face-to-face, without being affected by noise. Comfortable to Wear: Ergonomic fit ear design, multi-point support, even when you do strenuous exercise, you do not have to worry about it will shift and fall off. Lightweight Design For Easy Portability: Easy to slip in your pocket, white and black color make them look more noble and elegant, while good quality and enhanced materials mean they last longer. Lively Sound Quality: In ear stereo Audio tonally balanced Audio with crisp highs and deep low Notes, plus wider frequency response and lively sound quality for recorded audio. Customer Service: With customer satisfaction as our first priority, we offer a satisfaction service for all of our merchandise. If you have any problems, please contact us in time. We will give you replies as soon as possible. Specifications: Material: Metal Sensitivity: 108 dB Horn Diameter: 10 mm Wire Length: 1.2 m