Geekria Headphone Headband Compatible with Sennheiser HD650, HD660, HD6XX
This headband is compatible with Sennheiser HD650, HD660, Headphones. - Compatible with Sennheiser HD 660 S, HD 650, HD 600 headband cushion. - Compatible with Sennheiser HD 580, HD 565, HD 545 headband cushion.