Adapter Cable Micro USB OTG for Samsung Galaxy J3 (2016) SM-J320P;for direct transfer of photos, videos and other content on an USB flash drive without PC : Amazon.co.uk: Electronics & Photo
Galaxy J3 (2016) | Samsung Support IE
Galaxy J3 (2017) | Samsung Support IE
Amazon.com: BoxWave Cable Compatible with Samsung Galaxy J3 V 3rd Gen (Cable by BoxWave) - Micro USB Keychain Charger, Key Ring Micro USB Cable for Samsung Galaxy J3 V 3rd Gen -