Passive Noise Cancellation feature enables users to enjoy listening to your music in a chaotic and noisy environment. These earbuds also enables users to receive calls on-the-go. The noise-cancelling microphone helps with trouble free receiving of calls or undeterred sessions of musical extravaganza. With the stylish design and high-end sound quality, Symphony X-150 earbuds are compatible with the latest generations of iPod, iPhone, and iPad. They work with all Androids, tablets, mp3 players, and related devices with a standard 3.5 mm jack.