https://www.amazon.com/Charger-Multiple-Charging-Lightning-Connector/dp/B077PXM3XH/ref=sr_1_10?s=electronics&ie=UTF8&qid=1535475239&sr=1-10&keywords=multi+usb+sync if you're talking about connecting one device at a time, just a matter of trial and error. since some of these third parties on Amazon claim it's a charge/sync cable. but you cannot connect multiple devices at once, maybe if you got a usb hub, but then your looking at power requirements