Marshall Major II On-Ear Headphones, White - Discontinued Built-in microphone allows you to take calls or record voice memos through your device. Connectivity Technology: Wired The double-ended coil cord with microphone and remote is completely detachable so that you can decide which side you prefer to wear it. Use the empty 3.5mm socket to share your music with someone else. Collapsible design for easy storage and travel.