Hidden Foldable Pins: Redefining Portability Logic Featuring a dual-axis linkage mechanism, the UK 3-pin plug (with ground PIN) folds flush into the body, achieving 15mm thickness. •Safety: Fully concealed pins prevent short circuits in bags. •Breakthroughs: World’s first foldable UK ground pin + IPX4-rated hinges. •Value: 65% smaller than standard UK chargers, zero snagging.