[Ergonomics Design]: The earphone adopts the most reasonable human body structure design, and the lightweight in-ear design is based on the shape of the human ear, so that you will not feel any discomfort during long-term use, which will bring you better The wearing experience. The in-ear headphones can output 24hz-48hz audio stably, and have strong bass, tight midrange and precise treble response. Let you experience the ultimate musical journey. [Excellent Stereo Audio]: excellent stereo earbuds with microphone feature powerful bass and provide excellent sound input and output quality, allowing you to enjoy comfort while still having the - listening experience possible! [Built-in Microphone-Multi-Function Button]: 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. The built-in microphone maximizes sound output and minimizes sound loss, providing you with high-quality sound. [Meticulous Design]: Cable - 3.9 feet of oxygen- copper wire provides stereo audio. The soft, durable cable is built to last and designed to resist - for - use. [Wide Compatibility]: earbuds are widely compatible with most devices with 3.5mm sockets, such as Android and iOS smartphone, MP3/MP4 players, portable music players, PC games and other popular 3.5mm socket electronic products. Item Name: Wired Earphone Material: ABS Earphone Type: In-ear Resistance: 20Ω Earphone Sensitivity: 99dB/mW Frequency Range: 20-20000Hz Plug Type: 3.5mm Plug Speaker Diameter: 9Φmm Microphone: with Microphone Features: Universal, Powerful Bass, Stereo Cable Length: 100cm/39.37" (Approx.) Gaming Headset One Ear Steel Headset