Back in the day, mobile phones have a specialized headphone port so you can’t really just use any standard headphones or earphones unless you have an adapter that will convert it for you. As soon as phone manufacturers started using the standard 3.5 mm plug, headphones and earphones targeted for mobile applications have skyrocketed and there’s no looking back since then. This leads us to this review of a headphone being marketed for that application, the Harman Kardon Soho.