Harman Kardon still knows how to wow with a design. Esquire ($250) is billed as an "executive portable wireless speaker," entering an increasingly crowded market for Bluetooth speakers with an unusually handsome industrial design and some interesting frills. The rounded square combines a distinctive pill-perforated plastic face with an iPhone 5-like polished-edged metal frame, ending in an original iPhone-like matte rubber base that lets Esquire stand…
