Amazon.com: Geekria Protein Leather Headband Pad Compatible with Sennheiser PX100, PX200, PX80, Headphones Replacement Band, Headset Head Cushion Cover Repair Part (Black) : Electronics
Sennheiser PX 200-II vs Sennheiser PX 210 BT: What is the difference?
Sennheiser PX 200-II Headphone and PX 200-IIi Headset | Stereophile.com