From $29 for an iDrive USB Flash Drive for iPhone/PC

Highlights

• External memory expansion with free app for iOS
• Manage all your data directly
• Eight-pin Lightning and USB connectors for fast data transfer
• exFAT file format
• Restores files larger then 4GB

Features

• No battery or network required
• Compatibility: iPhone 7/7 Plus | iPhone 6/6 Plus/6S/6S Plus | iPhone 5/5S/5C | iPad Pro | iPad Air 2/Air | iPad 4 | iPad Mini 1/2/3/4 | iPod Touch 6th generation/5th generation | all Android phones and tablets with OTG function | Windows | Linux | osX
• Please do not disconnect the flash drive during file transfers