Welcome back for the second instalment of our 2018 Holiday Gift Guide. Last week in part 1 we rounded up a collection of some of the best and most noteworthy products we’ve seen this year in a variety of categories to help out you, our readers, with some suggestions if you’re stumped for what to buy for the iPhone or iPad user in your life. In this second part today, we’ll be highlighting some of the most interesting speakers, headphones,…