Want to upgrade your Fire TV Stick …but don’t fancy splashing-out on a brand new model? Good news, it’s more affordable than ever to supercharge your existing Fire TV Stick device with a swathe of new features. That’s because Amazon has slashed the price of its Alexa Voice Remote Pro to just £22.99 — returning to a record low. Switching to this feature-packed remote unlocks several clever features usually associated with some of the most popular set-top boxes from Sky TV, like Sky Q and Sky Glass. First up, the Voice Remote Pro has a built-in speaker, so you can ask AI assistant Alexa to “fi…