Amazon is filled with copycat companies selling tech accessories. Many of them have barely pronounceable names written in all caps, and it’s hard to tell them apart. But Jsaux, pronounced JAY-saw, a seven-year-old Shenzhen accessory maker, has become almost synonymous with Valve’s Steam Deck gaming handheld.
How on Earth did this Chinese brand go from generic USB-C cables, iPhone accessories, and a weird acorn-shaped Bluetooth speaker to producing over 30 different bespoke products for a…