Many new laptops and mobile phones use a MiniJack connector for both microphone input and audio output. With this adapter you can connect a traditional headset with two MiniJack connectors to a dual-function.
Sandberg Headset converter for Apple. Connector 1: MiniJack, Connector 2: 2 x MiniJack, Gender type: Male/Male. Packaging width: 70 mm, Packaging depth: 40 mm, Packaging height: 167 mm