Replacement Ear Pads for Sennheiser HD4.50BT HD4.50BTNC HD4.40BT Headsets Earpads Replacement, Earpads Cushions for Sennheiser HD4.50BT, Soft and Comfortable Sponge, Black Mesh Fabric

GVOEARS Replacement Ear Pads for Sennheiser HD4.50BT HD4.50BTNC HD4.40BT Headsets Earpads Replacement, Earpads Cushions for Sennheiser HD4.50BT (HD4.50 MF Black)

NewFantasia NewFantasia Replacement Audio Upgrade Cable for Sennheiser HD4.40, HD 4.40 BT, HD4.50, HD 4.50 BTNC, HD4.30i, HD4.30G Headphones 1.2meters/4feet

Sennheiser Consumer Audio HD 450BT Bluetooth 5.0 Wireless Headphone with Active Noise Cancellation - 30-Hour Battery Life, USB-C Fast Charging, Virtual Assistant Button, Foldable - Black