Extend the connection distance between your iPhone or mobile phone or computer headset by 2 meters Lengthen your headset cable by up to 2m in order to provide flexibility while your working at your computer Shielded against EMI and RFI interference Molded PVC strain relief Headset Extension Cable Audio Extension Cable Compatible with various laptops such as the HP EliteBook 840 EliteBook Folio 9470m Lenovo ThinkPad Edge E540 ThinkPad T440 ThinkPad X1 Carbon Gen2