Smart LED changes color to show charging status: amber is charging, green is fully charged Double-braided nylon cable exterior for enhanced strength and durability MFi-certification ensures compatibility with iOS devices Aircraft-grade aluminum on the connector housing protects the circuit board Our latest smart LED technology allows you to see your iPhone charge status at a glance. A custom circuit board with proprietary firmware communicates with your iPhone battery and displays a green or amber LED depending on your charge level. The amber light lets you know your iPhone is connected and charging while the green light means youve got a full charge. MFi-certified and featuring a universally compatible USB-A connector, you can charge up to 12W using a wall or car charger. Its an iPhone charging cable that keeps looking and performing like new, with an aircraft-grade aluminum overmold and double-braided nylon exterior that can withstand the wear and tear of daily use.Built-In Smart L