KastarTwo Ni-MH Battery 1.2V 1000mAh Replacement for Sennheiser RS120 RS-120 RS130 RS-130 RS160 RS-160 RS170 RS-170 RS180 RS-180 RS195 RS-195 PXC 250-II PXC 350 PXC 450 HDR 170 Headphones

Kastar Two Ni-MH Battery 1.2V 1000mAh Replacement for Sennheiser RS120 RS-120 RS130 RS-130 RS160 RS-160 RS170 RS-170 RS180 RS-180 RS195 RS-195 PXC 250-II PXC 350 PXC 450 HDR 170 Headphones

RS 175/HDR 175/TR 175 Replacement Ear Pads Upgrade Headphones Parts, Comfortable RS175 Earpads Cushions Compatible with Sennheiser RS175/RS185/RS195/RS165, HDR175/HDR185/HDR195/HDR165/TR175 Headphones

Defean HDR165 HDR175 Replacement Headband Cushion Foam Compatible with Sennheiser HDR RS165,RS175 RF Wireless Headphone