Designed from a lightweight material with silicone and metallic finishes, Tellur's Lightning MFi earphones guarantee long-lasting wear without any discomfort. The earphones fit securely inside the ear and offer better isolation from the outside noise. The in-line buttons allow you to change the volume, take calls or change songs, while the microphone will ensure the hands-free function. The frequency response provides the ability to play a wide range of sound frequencies and enables a perfect delivery of both bass and high tones.