Sennheiser PX-2G Jack adapter 3.5mm to 6.35mm (Gold-plated) - 549346
Sennheiser headphone carrying pouch with drawstring (250mm x 300mm) - 528104
Sennheiser Leatherette Earpads - Black - 534441
Sennheiser extension cable. 3.5mm jack plug to 3.5mm socket (1.6m) - 534446