Bose QuietControl 30 QC30 Headphones Control Talk Button Buttons (Black) - Part $ 14.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This part fits the Bose QC30 headphones. This part is authentic and in new condition. This is a control talk button cover. Click here to watch a how-to repair video. You may also send your Bose product to our repair center for service. Start a repair request on our website.