JKSWT Wired Earbuds connect via 3.5mm Jack. The earphones is compatible with Android, Google, and iOS Operating systems. It is perfect for music, entertainment, and gaming. Also, it is ergonomic and its silicone earplugs ensure comfort and secure fit. It produces excellent sound quality with extra bass and reduces noise from the background. Also, its microphones provide clear communication. The earbuds' is lightweight. Its frequency response is 20Hz-20Khz. The tangle-free cord's length is 1.5 meters. Its volume control buttons on the side of the cable are easy to operate.