The speakers inside the earbuds have been engineered use the composite diaphragm to sound to maximize sound output and minimize sound loss, Can show the effect of high school bass very well, can provide a clear conversation recording function.Unlike traditional rubber earbuds, Wired earphones ear buds with ergonomic technology make a premium earbud-style suit for most people. They will leave you with a comfortable sense without a long-time-wear pain perception. Built-in HD microphone in earbuds and the power button function lets you can Answer/Hang Up/Play/Pause/Next/Previous Song without picking up the phone, making it easier to use. Easily access to VOLUME CONTROL with [+] [-] .Wired earphones with ultra-tough thread lightweight design, environmental health feel comfortable, with anti-winding function, easy to store, not easy to break, to maintain the service life.The wired headphones are compatible with standard devices with 3.5mm jack, Headphone are widely compatible with iphone 6s / 6s Plus / 6 Plus / 6 / SE / 5S / 5C / 5, Samsung Galaxy S7 / S6 / Google, Nexus 6P / 5x, HTC One, Nokia, Motorola, Windows Telephone, tablet, PC, MP4 / MP3, laptop and other devices that are compatible with 3.5mm headphones.