USB 3.1 (USB Type-C) to Apple's OLD iPhone 30-pin Dock Adapter / Converter (for Data & Sync only) : allputer.com - Accessories for all your Portable Electronics & Computers!
1m Apple® 30-pin Dock to USB Cable - 30-pin Dock Connector Cables for iPod, iPhone and iPad | StarTech.com Europe
Update: 30 pin to lightning to usb-c does not work for either sync or charging. Any suggestions? Audio equipment cannot be upgraded. : r/ipad
Lightning - 30ピンアダプタ - Apple(日本)
Buy Doiber 30-Pin Female to USB 3.1 Type C Male Data Charger Converter Adapter Connector Online at desertcartUAE
アップル Apple 30-pin to VGA Adapter - プロジェクターの通販専門店
Amazon.com: 30-Pin Female to USB 3.1 Type C Male USB-C Adapter Cable Computers Components Accessories (White) : Electronics