Smart LED

This cable features a microcontroller that powers a smart LED to indicate the charging status of a notebook or a tablet. By calculating the dynamic charging current through the cable, its indicator can show different status between "Fully charged" and "Charging", allow users to check battery charging status quickly and conveniently, they no longer need to search through menus or open their laptop to figure out if it is charged or not, simply just look at the cable, no mater laptop is opened or closed, even in a distance across the room.