Harman Kardon Invoke review: An impressive Cortana speaker that sorely lacks a killer feature
(Windows Phone Central)

The Invoke Cortana speaker by Harman Kardon is a quality product, but the market is now flooded with more well-known – and often cheaper – alternatives. That leaves the Invoke to the Windows fans and may not yield many converts. Smart speakers are weird. They`re neat and kind of lame at the same time. The new Harman Kardon Invoke speaker featuring Microsoft`s Cortana digital assistant does not change that fact, but it works it looks cool too. How the Invoke differentiates itself in a sea of smart speakers, however, will be its biggest challenge. ...