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Amazon.com: Geekria Protein Leather Headband Pad Compatible with AKG K450 K451 Q460 Headphone Replacement Headband/Headband Cushion/Replacement Pad Repair Parts (Black) : Electronics
Bluetooth 5.0 Audio Receiver Wireless A2DP Handsfree Music Adapter for AKG K450 K451 K452 K480 K490 K495 Q460 Headphones|Earphone Accessories| - AliExpress
AKG K450 Folding On Ear Wired Headphones Protective Travel Case | eBay