Accessory with MFi logos. Made for iPod, Made for iPhone, Made for iPad logos has been designed to connect specifically to iPod, iPhone, or iPad, and has been certified by the developer to meet Apple performance standards. 
How can I verify if an accessory that uses a Lightning connector is a licensed accessory?
Click HERE linkSelect Brand and Type in 'Avantree'
Below highlighted in green is this Swan 2m which is MFI Certified Lightning Cable.

Features
* It is designed for any apple devices with lightning pin
* Compatible with all IOS version
* Charge and data sync
* USB2.0 and 8pin cable
* Apple MFi certified 8pin lightning cable and uses original connector from Apple
*Extra long and extra durable
What's in the box
2M Lighting to USB cable