PWOW SE520 In-Ear Headphones Earphone Earbuds with Microphone Universal 3.5mm Stereo Earphones with Mic & Volume Control for iPhone/ Samsung/ Computer - Black Accurate speaker design to deliver an extreme clarity and deep low frequency. Ergonomic design to make it more comfortable to wear. Anti-winding headphone wire with hands-free and volume control function in one. Enhanced built-in microphone and perfect high signal-to-noise ratio. Its our pleasure to help you about our product, please contact us if you had any confusions in mind: Click PWOW and go to the URL of our store, click Ask a question and send a message with your questions to us!