16 Core OCC Silver Plated Earphone for 2x2.5mm HIFIMAN HE1000 HE400S HE560 Oppo PM-1 PM-2 Headphone Upgrade Cable

16 Core OCC Silver Plated Earphone for 2x2.5mm HIFIMAN HE1000 HE400S HE560 Oppo PM-1 PM-2 Headphone Upgrade Cable

Aliexpress UK