GVC Dynamic Stereo Earphones Black is High definition sound earphones with strong bass-driven stereo sound. These high definition stereo headphones provide excellent sound input & output quality that produce natural high fidelity sound with deep bass, soaring highs, and clear midrange. STEREO SOUND: Built-in high-performance speakers for extended frequency range, lower distortion, high performance and noise isolating ear tips eliminate ambient noise. Bring your crystal clear and dynamic sound. BUILT-IN NOISE ISOLATION: Built-in noise isolating system effectively reduces noise, ensures clear and smooth sound in listening to music and making phone calls, and gives you the ultimate audio experience. Light and portable, ideal for taking the bus, running, working, running, jogging, climbing and other occasions, enjoy wonderful music anywhere. ERGONOMIC DESIGN: Provides a comfortable fit for your ears and long-time wearing. Soft material sweat-proof ear tips reduce outside noise, so you can enjoy music. Flexible, lightweight, snug and secure, they can be easily threaded through a jacket, bag, or backpack. UNIVERSAL COMPATIBILITY: 3.5mm jack is easy to use and compatible with Phones, computers, Walkman and other audio equipment. Built-in mic lets hands-free talk and voice control over your devices. Features: Ergonomically designed for maximum comfort. Durable, stylish design. High definition sound earphones with strong bass-driven stereo sound. Built-in remote with volume control and mic. Functional and convenient in-ear design. The headphone provides you with a noise-isolating environment. Specifications : Brand: GVC Materials: Plastic