Lexar offers microSD dongle with an Apple Lightning connector: Digital Photography Review
Lexar JumpDrive C20i Flash Drive Review: Great Mobile Management for Your Large Files | WIRED
Lexar LRWMLBAP MicroSD Memory Card Reader with Lightning Connector for iOS Devices | JG Superstore | Lazada PH
Amazon.co.jp: Lexar JumpDrive C20i USB Flash Drive 32GB (USB3.0, iPhone Lightning Connector, Max Read 95MB/s Max Write) LJDC20i-32GBBJP Apple Certified (Made for iPhone) : Computers