You might be able to use some cheap replacement ones off of Amazon like this one: https://www.amazon.com/Pdflie-Replacement-Worktunes-Protector-Headphones/dp/B0CJ4GS17Q/ref=sr_1_5?crid=5ETCPYJ4DBAK&dib=eyJ2IjoiMSJ9.JMMK1fvMK8iW9YJ3B6Z9r7a3ignmPSBX7_2IWMbDD_R20UPU0NxPhHRSTsFJYhTJbMsNzliDTd_-t9ax4W0uHDrRpL9iuTogZQTOT5Yke4FzKFEflTtww6vrweUrXS-Pj6fup3VHJYbD4TJ3iy07osC5_pMfJoyfrHBoKMp54t7pGr7ICuqpAzpGYsNoGKM6AdJxOZg7ZjqPIrZ-m7Q7fPfx53VrBnSsyUb1Ii9_JKs.ha3mkwDK3li2JkxtUB0TMQgiwDfyY1YcJrnnRMJjueo&dib_tag=se&keywords=headphone+foam+replacement+kit&qid=1739230188&sprefix=headphone+foam+replacemnet+kit%2Caps%2C76&sr=8-5
If those don’t work, sometimes they have adhesion put on them to stay in place, try cleaning that off.
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It could also be that the headphones were made to be unrepairable, in that case idk what you should do.
You might be able to use some cheap replacement ones off of Amazon like this one: https://www.amazon.com/Pdflie-Replacement-Worktunes-Protector-Headphones/dp/B0CJ4GS17Q/ref=sr_1_5?crid=5ETCPYJ4DBAK&dib=eyJ2IjoiMSJ9.JMMK1fvMK8iW9YJ3B6Z9r7a3ignmPSBX7_2IWMbDD_R20UPU0NxPhHRSTsFJYhTJbMsNzliDTd_-t9ax4W0uHDrRpL9iuTogZQTOT5Yke4FzKFEflTtww6vrweUrXS-Pj6fup3VHJYbD4TJ3iy07osC5_pMfJoyfrHBoKMp54t7pGr7ICuqpAzpGYsNoGKM6AdJxOZg7ZjqPIrZ-m7Q7fPfx53VrBnSsyUb1Ii9_JKs.ha3mkwDK3li2JkxtUB0TMQgiwDfyY1YcJrnnRMJjueo&dib_tag=se&keywords=headphone+foam+replacement+kit&qid=1739230188&sprefix=headphone+foam+replacemnet+kit%2Caps%2C76&sr=8-5
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If those don’t work, sometimes they have adhesion put on them to stay in place, try cleaning that off.
You might be able to use some cheap replacement ones off of Amazon like this one: https://www.amazon.com/Pdflie-Replacement-Worktunes-Protector-Headphones/dp/B0CJ4GS17Q/ref=sr_1_5?crid=5ETCPYJ4DBAK&dib=eyJ2IjoiMSJ9.JMMK1fvMK8iW9YJ3B6Z9r7a3ignmPSBX7_2IWMbDD_R20UPU0NxPhHRSTsFJYhTJbMsNzliDTd_-t9ax4W0uHDrRpL9iuTogZQTOT5Yke4FzKFEflTtww6vrweUrXS-Pj6fup3VHJYbD4TJ3iy07osC5_pMfJoyfrHBoKMp54t7pGr7ICuqpAzpGYsNoGKM6AdJxOZg7ZjqPIrZ-m7Q7fPfx53VrBnSsyUb1Ii9_JKs.ha3mkwDK3li2JkxtUB0TMQgiwDfyY1YcJrnnRMJjueo&dib_tag=se&keywords=headphone+foam+replacement+kit&qid=1739230188&sprefix=headphone+foam+replacemnet+kit%2Caps%2C76&sr=8-5