Ultimate Ears MetroFi 150v Noise Isolating Earphones with Microphone In-ear noise isolating earphones with full spectrum sound from a single high performance dynamic speaker Miniature high performance microphone for hands free phone calls and push button for answering and ending calls Ergonomic and stylish design Three sizes of single flange silicone ear tips and one set of dual flange silicone ear tips included for a near custom fit Zippo style pocket ready hard travel case