I travel 40 mins daily across town in stockholm. Change subway once for each journey. I travel at 08.30 and home at 17.15. I always get a set both ways. I turn

I travel 40 mins daily across town in stockholm. Change subway once for each journey. I travel at 08.30 and home at 17.15. I always get a set both ways. I turn on my laptop, work on the 4g connection all the way home. Rarely is there any problem.