In the office, people were exposed to fax machines, computers and so on. And if their work involved travelling, adopting tools in mobile computing became essential. Plus, men have usually earned more, and have the purchasing power to buy the latest gadgets at premium prices. It's only within the last decade or so that women's pay has risen to match men's. Perhaps the reasons are psychological.
Technology is empowering.
Some men loved them. They were practical, but huge on a woman's wrist. Take the laptop when it first came out. Small compared to machines at that time, but even then, it was acknowledged they were heavy and bulky. One got a workout just carrying them from one end of an airport to the other - and we're just talking about men.