Dual Head Connection: It features a fused block at one end that splits cleanly into two distinct male tips: a Thunderbolt 3 / USB-C connector for high-speed data/video transfer, and a rectangular yellow Slim-Tip connector dedicated to high-wattage power delivery.Purpose: It allows high-end laptops (like the ThinkPad P-series or X1 Extreme) to receive up to 170W or 230W of power simultaneously alongside peripheral data through a single combined plugin.