IEM Noise Isolating Earphones With Microphone & Remote with 8mm drivers that produce vocals and instruments with detailed clarity in the frequency range of 20Hz – 20kHz and 200dB sensitivity, letting your music sound just as the artist intended. Encased in an all metal housing, these earphones are tuned to pair with all genres of music with a rated input power of 20mW. Together with a multi-function 3 Button Microphone and Remote, the Deltas deliver perfect audio sound and clarity whether used for general music listening or for audio calls. Besides this, the package also contains 3 sets of silicone ear tips and a shirt clip.